{
  "api": {
    "Element": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element",
        "support": {
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": {
            "version_added": "18"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": {
            "version_added": "4"
          },
          "ie": {
            "version_added": "4"
          },
          "opera": {
            "version_added": "8"
          },
          "opera_android": {
            "version_added": "10.1"
          },
          "safari": {
            "version_added": "1.3"
          },
          "safari_ios": {
            "version_added": "1"
          },
          "samsunginternet_android": {
            "version_added": "1.0"
          },
          "webview_android": {
            "version_added": "1"
          }
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "DOMActivate_event": {
        "__compat": {
          "description": "<code>DOMActivate</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/DOMActivate_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "DOMMouseScroll_event": {
        "__compat": {
          "description": "<code>DOMMouseScroll</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/DOMMouseScroll_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "MozMousePixelScroll_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MozMousePixelScroll_event",
          "description": "<code>MozMousePixelScroll</code> event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "≤18",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "MSGestureChange_event": {
        "__compat": {
          "description": "<code>MSGestureChange</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSGestureChange_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSGestureEnd_event": {
        "__compat": {
          "description": "<code>MSGestureEnd</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSGestureEnd_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSGestureHold_event": {
        "__compat": {
          "description": "<code>MSGestureHold</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSGestureHold_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSGestureStart_event": {
        "__compat": {
          "description": "<code>MSGestureStart</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSGestureStart_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSGestureTap_event": {
        "__compat": {
          "description": "<code>MSGestureTap</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSGestureTap_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSInertiaStart_event": {
        "__compat": {
          "description": "<code>MSInertiaStart</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSInertiaStart_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "MSManipulationStateChanged_event": {
        "__compat": {
          "description": "<code>MSManipulationStateChanged</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/MSManipulationStateChanged_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "accessKey": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/accessKey",
          "support": {
            "chrome": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "chrome_android": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "edge": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "opera_android": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            },
            "webview_android": {
              "version_added": false,
              "notes": "Implemented on <a href='https://developer.mozilla.org/docs/Web/API/HTMLElement'>HTMLElement</a>."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "afterscriptexecute_event": {
        "__compat": {
          "description": "<code>afterscriptexecute</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/afterscriptexecute_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "2"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "animate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/animate",
          "support": {
            "chrome": {
              "version_added": "36"
            },
            "chrome_android": {
              "version_added": "36"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "23"
            },
            "opera_android": {
              "version_added": "24"
            },
            "safari": {
              "version_added": true,
              "flags": [
                {
                  "type": "preference",
                  "name": "Web Animations"
                },
                {
                  "type": "preference",
                  "name": "CSS Animations via Web Animations"
                }
              ]
            },
            "safari_ios": {
              "version_added": "13.4"
            },
            "samsunginternet_android": {
              "version_added": "3.0"
            },
            "webview_android": {
              "version_added": "37"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "composite_option": {
          "__compat": {
            "description": "<code>composite</code> option",
            "support": {
              "chrome": {
                "version_added": "79",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "chrome_android": {
                "version_added": "79",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "edge": {
                "version_added": "79",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "firefox": [
                {
                  "version_added": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.compositing.enabled"
                    }
                  ]
                },
                {
                  "version_added": "53",
                  "version_removed": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.core.enabled"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.compositing.enabled"
                    }
                  ]
                },
                {
                  "version_added": "53",
                  "version_removed": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.core.enabled"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "66",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "id_option": {
          "__compat": {
            "description": "<code>id</code> option",
            "support": {
              "chrome": {
                "version_added": "50"
              },
              "chrome_android": {
                "version_added": "50"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "48"
              },
              "firefox_android": {
                "version_added": "48"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "37"
              },
              "opera_android": {
                "version_added": "37"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "50"
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "implicit_tofrom": {
          "__compat": {
            "description": "Implicit to/from keyframes are supported",
            "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/animate#Implicit_tofrom_keyframes",
            "support": {
              "chrome": {
                "version_added": false,
                "notes": "Currently Chrome Canary only"
              },
              "chrome_android": {
                "version_added": false,
                "notes": "Currently Chrome Canary only"
              },
              "edge": {
                "version_added": false
              },
              "firefox": {
                "version_added": "75"
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": "13.1",
                "partial_implementation": true,
                "notes": "Implementation seems somewhat buggy. More information will follow when available."
              },
              "safari_ios": {
                "version_added": "13.4",
                "partial_implementation": true,
                "notes": "Implementation seems somewhat buggy. More information will follow when available."
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "iterationcomposite_option": {
          "__compat": {
            "description": "<code>iterationComposite</code> option",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "firefox": [
                {
                  "version_added": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.compositing.enabled"
                    }
                  ]
                },
                {
                  "version_added": "51",
                  "version_removed": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.core.enabled"
                    }
                  ]
                }
              ],
              "firefox_android": [
                {
                  "version_added": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.compositing.enabled"
                    }
                  ]
                },
                {
                  "version_added": "51",
                  "version_removed": "63",
                  "flags": [
                    {
                      "type": "preference",
                      "name": "dom.animations-api.core.enabled"
                    }
                  ]
                }
              ],
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "pseudoElement_option": {
          "__compat": {
            "description": "<code>pseudoElement</code> option",
            "support": {
              "chrome": {
                "version_added": "81",
                "partial_implementation": true,
                "notes": "A valid animation object is returned but the targeted pseudoelement is not visually animated.",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "chrome_android": {
                "version_added": "81",
                "partial_implementation": true,
                "notes": "A valid animation object is returned but the targeted pseudoelement is not visually animated.",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "edge": {
                "version_added": "81",
                "partial_implementation": true,
                "notes": "A valid animation object is returned but the targeted pseudoelement is not visually animated.",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "firefox": {
                "version_added": "75"
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "68",
                "partial_implementation": true,
                "notes": "A valid animation object is returned but the targeted pseudoelement is not visually animated.",
                "flags": [
                  {
                    "type": "preference",
                    "name": "Experimental Web Platform Features"
                  }
                ]
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": false
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "attachShadow": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/attachShadow",
          "support": {
            "chrome": {
              "version_added": "53"
            },
            "chrome_android": {
              "version_added": "53"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": [
              {
                "version_added": "63"
              },
              {
                "version_added": "59",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "63"
              },
              {
                "version_added": "59",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "40"
            },
            "opera_android": {
              "version_added": "41"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": "10"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "53"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "delegatesFocus": {
          "__compat": {
            "description": "<code>delegatesFocus</code> option of <code>ShadowRootInit</code> dictionary.",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": true,
              "standard_track": false,
              "deprecated": false
            }
          }
        }
      },
      "attributes": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/attributes",
          "support": {
            "chrome": {
              "version_added": "26"
            },
            "chrome_android": {
              "version_added": "26"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "22"
            },
            "firefox_android": {
              "version_added": "22"
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "attributeStyleMap": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/attributeStyleMap",
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": {
              "version_added": "66"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "9.0"
            },
            "webview_android": {
              "version_added": "66"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "auxclick_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/auxclick_event",
          "description": "<code>auxclick</code> event",
          "support": {
            "chrome": {
              "version_added": "55"
            },
            "chrome_android": {
              "version_added": "55"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "53",
              "notes": "Starting in Firefox 68, the <code>auxclick</code> event is used to trigger the <em>new tab on middle-click</em> action; previously, this had been done with the <code>click</code> event. Apps can prevent middle-click from opening new tabs (or middle-click to paste, if that feature is enabled) by intercepting <code>auxclick</code> on links, and <code>auxclick</code> event handlers can now open popups without triggering the popup blocker."
            },
            "firefox_android": {
              "version_added": "53"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "42"
            },
            "opera_android": {
              "version_added": "42"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "55"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "beforescriptexecute_event": {
        "__compat": {
          "description": "<code>beforescriptexecute</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/beforescriptexecute_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "2"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "blur_event": {
        "__compat": {
          "description": "<code>blur</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/blur_event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "24"
              },
              {
                "version_added": "6",
                "version_removed": "24",
                "notes": "The interface for this event is <a href='https://developer.mozilla.org/docs/Web/API/Event'><code>Event</code></a>, not <a href='https://developer.mozilla.org/docs/Web/API/FocusEvent'><code>FocusEvent</code></a>."
              }
            ],
            "firefox_android": [
              {
                "version_added": "24"
              },
              {
                "version_added": "6",
                "version_removed": "24",
                "notes": "The interface for this event is <a href='https://developer.mozilla.org/docs/Web/API/Event'><code>Event</code></a>, not <a href='https://developer.mozilla.org/docs/Web/API/FocusEvent'><code>FocusEvent</code></a>."
              }
            ],
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": {
              "version_added": "2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "classList": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/classList",
          "support": {
            "chrome": {
              "version_added": "8"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": [
              {
                "version_added": "16"
              },
              {
                "version_added": "12",
                "version_removed": "16",
                "notes": "Not supported for SVG elements.",
                "partial_implementation": true
              }
            ],
            "firefox": {
              "version_added": "3.6"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "10",
              "notes": "Not supported for SVG elements.",
              "partial_implementation": true
            },
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": {
              "version_added": "11.5"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "add_and_remove_multiple_arguments": {
          "__compat": {
            "description": "Multiple arguments for <code>add()</code> & <code>remove()</code>",
            "support": {
              "chrome": {
                "version_added": "24"
              },
              "chrome_android": {
                "version_added": "25"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "26"
              },
              "firefox_android": {
                "version_added": "26"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": "14"
              },
              "safari": {
                "version_added": "7"
              },
              "safari_ios": {
                "version_added": "7"
              },
              "samsunginternet_android": {
                "version_added": "1.5"
              },
              "webview_android": {
                "version_added": "≤37"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "replace": {
          "__compat": {
            "description": "<code>replace()</code>",
            "support": {
              "chrome": {
                "version_added": "61"
              },
              "chrome_android": {
                "version_added": "61"
              },
              "edge": {
                "version_added": "17"
              },
              "firefox": {
                "version_added": "49"
              },
              "firefox_android": {
                "version_added": "49"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "8.0"
              },
              "webview_android": {
                "version_added": "61"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "toggle_method_second_argument": {
          "__compat": {
            "description": "<code>toggle()</code> method's second argument",
            "support": {
              "chrome": {
                "version_added": "24"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "24"
              },
              "firefox_android": {
                "version_added": "24"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "15"
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": "7"
              },
              "safari_ios": {
                "version_added": "7"
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "className": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/className",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "click_event": {
        "__compat": {
          "description": "<code>click</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/click_event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6",
              "notes": "Beginning in Firefox 68, Firefox no longer incorrectly sends a <code>click</code> event for buttons other than the primary mouse button; previouly, there were circumstances in which this would occur. One example: middle-clicking a link would send a <code>click</code> to the document's <code>&lt;html&gt;</code> element."
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "on_disabled_form_elements": {
          "__compat": {
            "description": "On disabled form elements",
            "support": {
              "chrome": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "chrome_android": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "edge": {
                "version_added": "79",
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "firefox": {
                "version_added": false
              },
              "firefox_android": {
                "version_added": false
              },
              "ie": {
                "version_added": true,
                "notes": "Internet Explorer only triggers the <code>click</code> event on <code>&lt;input&gt;</code> elements of type <code>checkbox</code> or <code>radio</code> when the element is double-clicked."
              },
              "opera": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "opera_android": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              },
              "webview_android": {
                "version_added": true,
                "notes": "Only works for <code>&lt;textarea&gt;</code> elements and some <code>&lt;input&gt;</code> element types."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "clientHeight": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/clientHeight",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clientLeft": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/clientLeft",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clientTop": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/clientTop",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clientWidth": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/clientWidth",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "closest": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/closest",
          "support": {
            "chrome": {
              "version_added": "41"
            },
            "chrome_android": {
              "version_added": "41"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "35"
            },
            "firefox_android": {
              "version_added": "35"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "28"
            },
            "opera_android": {
              "version_added": "28"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "41"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "compositionend_event": {
        "__compat": {
          "description": "<code>compositionend</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/compositionend_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "9"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "compositionstart_event": {
        "__compat": {
          "description": "<code>compositionstart</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/compositionstart_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "9"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "compositionupdate_event": {
        "__compat": {
          "description": "<code>compositionupdate</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/compositionupdate_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "9"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "computedStyleMap": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/computedStyleMap",
          "support": {
            "chrome": {
              "version_added": "66"
            },
            "chrome_android": {
              "version_added": "66"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "53"
            },
            "opera_android": {
              "version_added": "47"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "9.0"
            },
            "webview_android": {
              "version_added": "66"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "contextmenu_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/contextmenu_event",
          "description": "<code>contextmenu</code> event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "10.5"
            },
            "opera_android": {
              "version_added": "11.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "copy_event": {
        "__compat": {
          "description": "<code>copy</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/copy_event",
          "support": {
            "chrome": {
              "version_added": "58"
            },
            "chrome_android": {
              "version_added": "58"
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": "45"
            },
            "opera_android": {
              "version_added": "43"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "58"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "clipboardData": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "58"
              },
              "chrome_android": {
                "version_added": "58"
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "22"
              },
              "firefox_android": {
                "version_added": "22"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "45"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": "7.0"
              },
              "webview_android": {
                "version_added": "58"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "createShadowRoot": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/createShadowRoot",
          "support": {
            "chrome": [
              {
                "version_added": "35",
                "notes": "In Chrome 45, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": "25",
                "version_removed": true,
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "35",
                "notes": "In Chrome 45, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": "25",
                "version_removed": true,
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": "79"
            },
            "firefox": [
              {
                "version_added": "59",
                "version_removed": "61",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "29",
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "59",
                "version_removed": "61",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "29",
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": [
              {
                "version_added": "22",
                "notes": "In Opera 32, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": "15",
                "version_removed": true,
                "prefix": "webkit"
              }
            ],
            "opera_android": [
              {
                "version_added": "22",
                "notes": "In Opera 32, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": "14",
                "version_removed": true,
                "prefix": "webkit"
              }
            ],
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": [
              {
                "version_added": "5.0",
                "notes": "In Samsung Internet 5.0, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": "4.0",
                "version_removed": true,
                "prefix": "webkit"
              }
            ],
            "webview_android": [
              {
                "version_added": "37",
                "notes": "In version 45, the ability to have multiple shadow roots was deprecated."
              },
              {
                "version_added": true,
                "version_removed": true,
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "currentStyle": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/currentStyle",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "cut_event": {
        "__compat": {
          "description": "<code>cut</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/cut_event",
          "support": {
            "chrome": {
              "version_added": "58"
            },
            "chrome_android": {
              "version_added": "58"
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": "45"
            },
            "opera_android": {
              "version_added": "43"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "58"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "clipboardData": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "58"
              },
              "chrome_android": {
                "version_added": "58"
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "22"
              },
              "firefox_android": {
                "version_added": "22"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "45"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": "7.0"
              },
              "webview_android": {
                "version_added": "58"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "dblclick_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/dblclick_event",
          "description": "<code>dblclick</code> event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6",
              "notes": "Starting in Firefox 68, <code>dblclick</code> events are only sent for the primary mouse button, per the specification."
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "11"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "<code>error</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/error_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "focus_event": {
        "__compat": {
          "description": "<code>focus</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/focus_event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "24"
              },
              {
                "version_added": "6",
                "version_removed": "24",
                "notes": "The interface for this event is <a href='https://developer.mozilla.org/docs/Web/API/Event'><code>Event</code></a>, not <a href='https://developer.mozilla.org/docs/Web/API/FocusEvent'><code>FocusEvent</code></a>."
              }
            ],
            "firefox_android": [
              {
                "version_added": "24"
              },
              {
                "version_added": "6",
                "version_removed": "24",
                "notes": "The interface for this event is <a href='https://developer.mozilla.org/docs/Web/API/Event'><code>Event</code></a>, not <a href='https://developer.mozilla.org/docs/Web/API/FocusEvent'><code>FocusEvent</code></a>."
              }
            ],
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": {
              "version_added": "2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "focusin_event": {
        "__compat": {
          "description": "<code>focusin</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/focusin_event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "52"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "4.2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "focusout_event": {
        "__compat": {
          "description": "<code>focusout</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/focusout_event",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "52"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
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            "safari": {
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                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "width": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": "3.5"
              },
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "x": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": false,
                "notes": "Returns a <code>ClientRectList</code> with <a href='http://msdn.microsoft.com/en-us/library/hh826029(VS.85).aspx'>ClientRect</a> objects (which do not contain <code>x</code> and <code>y</code> properties) instead of <a href='https://developer.mozilla.org/docs/Web/API/DOMRect'><code>DOMRect</code></a> objects."
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "y": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": null
              },
              "ie": {
                "version_added": false,
                "notes": "Returns a <code>ClientRectList</code> with <a href='http://msdn.microsoft.com/en-us/library/hh826029(VS.85).aspx'>ClientRect</a> objects (which do not contain <code>x</code> and <code>y</code> properties) instead of <a href='https://developer.mozilla.org/docs/Web/API/DOMRect'><code>DOMRect</code></a> objects."
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": "11"
              },
              "safari_ios": {
                "version_added": "11"
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "getClientRects": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/getClientRects",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "9.5"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByClassName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/getElementsByClassName",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": [
              {
                "version_added": "18"
              },
              {
                "version_added": "12",
                "version_removed": "18",
                "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
              }
            ],
            "firefox": {
              "version_added": "3",
              "notes": "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflect the change in the spec."
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9",
              "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
            },
            "opera": {
              "version_added": "9.5"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByTagName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/getElementsByTagName",
          "support": {
            "chrome": {
              "version_added": "1",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "chrome_android": {
              "version_added": "18",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1",
              "notes": "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflect the change in the spec."
            },
            "firefox_android": {
              "version_added": "4",
              "notes": "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflect the change in the spec."
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": "8",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "safari_ios": {
              "version_added": "6",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "samsunginternet_android": {
              "version_added": "1.0",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "webview_android": {
              "version_added": "1",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "all_elements_selector": {
          "__compat": {
            "description": "getElementsByTagName(*)",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true,
                "notes": "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflect the change in the spec."
              },
              "ie": {
                "version_added": "6"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "getElementsByTagNameNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/getElementsByTagNameNS",
          "support": {
            "chrome": {
              "version_added": "1",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true,
              "notes": [
                "The behavior of <code>element.getElementsByTagNameNS</code> changed between Firefox 3.5 and Firefox 3.6. In Firefox 3.5 and before, this function would automatically case-fold any queries so that a search for \"foo\" would match \"Foo\" or \"foo\". In Firefox 3.6 and later this function is now case-sensitive so that a query for \"foo\" will only match \"foo\" and not \"Foo\". For more background on this, please see the <a href='https://bugzil.la/542185#c5'>comment from Henri Sivonen about the change</a>. You can also look at the <a href='https://developer.mozilla.org/docs/Case_Sensitivity_in_class_and_id_Names'>relevant part of the standard, which states which parts of the API are case-sensitive and which parts aren't.</a>",
                "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflects the spec change."
              ]
            },
            "firefox_android": {
              "version_added": true,
              "notes": [
                "The behavior of <code>element.getElementsByTagNameNS</code> changed between Firefox 3.5 and Firefox 3.6. In Firefox 3.5 and before, this function would automatically case-fold any queries so that a search for \"foo\" would match \"Foo\" or \"foo\". In Firefox 3.6 and later this function is now case-sensitive so that a query for \"foo\" will only match \"foo\" and not \"Foo\". For more background on this, please see the <a href='https://bugzil.la/542185#c5'>comment from Henri Sivonen about the change</a>. You can also look at the <a href='https://developer.mozilla.org/docs/Case_Sensitivity_in_class_and_id_Names'>relevant part of the standard, which states which parts of the API are case-sensitive and which parts aren't.</a>",
                "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflects the spec change."
              ]
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": true,
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6",
              "notes": "Initially, this method was returning a <code>NodeList</code>; it was then changed to reflect the spec change."
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "all_elements_selector": {
          "__compat": {
            "description": "getElementsByTagNameNS(*)",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": "18"
              },
              "edge": {
                "version_added": "12"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true,
                "notes": [
                  "The behavior of <code>element.getElementsByTagNameNS</code> changed between Firefox 3.5 and Firefox 3.6. In Firefox 3.5 and before, this function would automatically case-fold any queries so that a search for \"foo\" would match \"Foo\" or \"foo\". In Firefox 3.6 and later this function is now case-sensitive so that a query for \"foo\" will only match \"foo\" and not \"Foo\". For more background on this, please see the <a href='https://bugzil.la/542185#c5'>comment from Henri Sivonen about the change</a>. You can also look at the <a href='https://developer.mozilla.org/docs/Case_Sensitivity_in_class_and_id_Names'>relevant part of the standard, which states which parts of the API are case-sensitive and which parts aren't.</a>",
                  "Prior to Firefox 19, this method was returning a <code>NodeList</code>; it was then changed to reflects the spec change."
                ]
              },
              "ie": {
                "version_added": "6"
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": "1.0"
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "hasAttribute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/hasAttribute",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasAttributeNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/hasAttributeNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasAttributes": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/hasAttributes",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "16"
            },
            "firefox": {
              "version_added": true,
              "notes": "[1] Before Firefox 35, it was implemented on the <code>Node</code> interface."
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasPointerCapture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/hasPointerCapture",
          "support": {
            "chrome": {
              "version_added": "55"
            },
            "chrome_android": {
              "version_added": "55"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": [
              {
                "version_added": "59"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": false
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": "42"
            },
            "opera_android": {
              "version_added": "42"
            },
            "safari": {
              "version_added": "13"
            },
            "safari_ios": {
              "version_added": "13"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "55"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "id": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/id",
          "support": {
            "chrome": {
              "version_added": "42"
            },
            "chrome_android": {
              "version_added": "42"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "42"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "innerHTML": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/innerHTML",
          "support": {
            "chrome": {
              "version_added": "33",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "chrome_android": {
              "version_added": "33",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "9"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "samsunginternet_android": {
              "version_added": "2.0",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "webview_android": {
              "version_added": "4.4",
              "notes": "This API was previously available on the <code>Node</code> API."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "insertAdjacentElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentElement",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": [
              {
                "version_added": "18"
              },
              {
                "version_added": "12",
                "version_removed": "18",
                "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
              }
            ],
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "ie": {
              "version_added": "8",
              "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": "10"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "insertAdjacentHTML": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentHTML",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": [
              {
                "version_added": "18"
              },
              {
                "version_added": "12",
                "version_removed": "18",
                "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
              }
            ],
            "firefox": {
              "version_added": "8"
            },
            "firefox_android": {
              "version_added": "8"
            },
            "ie": {
              "version_added": "4",
              "notes": [
                "Before Internet Explorer 10, throws an \"Invalid target element for this operation.\" error when called on a <code>&lt;table&gt;</code>, <code>&lt;tbody&gt;</code>, <code>&lt;thead&gt;</code>, or <code>&lt;tr&gt;</code> element.",
                "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
              ]
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": "4"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "insertAdjacentText": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/insertAdjacentText",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": [
              {
                "version_added": "18"
              },
              {
                "version_added": "12",
                "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
              }
            ],
            "firefox": {
              "version_added": "48"
            },
            "firefox_android": {
              "version_added": "48"
            },
            "ie": {
              "version_added": true,
              "notes": "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function."
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "2.3"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "keydown_event": {
        "__compat": {
          "description": "<code>keydown</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/keydown_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "keypress_event": {
        "__compat": {
          "description": "<code>keypress</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/keypress_event",
          "support": {
            "chrome": {
              "version_added": true,
              "notes": "Chrome does not fire the <code>keypress</code> event for <a href='https://crbug.com/13891#c50'>known keyboard shortcuts</a>. Which keyboard shortcuts are known depends on the user's system. Use the <code>keydown</code> event to implement keyboard shortcuts."
            },
            "chrome_android": {
              "version_added": true,
              "notes": "Chrome does not fire the <code>keypress</code> event for <a href='https://crbug.com/13891#c50'>known keyboard shortcuts</a>. Which keyboard shortcuts are known depends on the user's system. Use the <code>keydown</code> event to implement keyboard shortcuts."
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true,
              "notes": "As of Firefox 65, the <code>keypress</code> event is no longer fired for <a href='https://developer.mozilla.org/docs/Web/API/KeyboardEvent/keyCode#Non-printable_keys_(function_keys)'>non-printable keys</a>, except for the Enter key, and the Shift + Enter and Ctrl + Enter key combinations (these were kept for cross-browser compatibility purposes)."
            },
            "firefox_android": {
              "version_added": true,
              "notes": "As of Firefox 65, the <code>keypress</code> event is no longer fired for <a href='https://developer.mozilla.org/docs/Web/API/KeyboardEvent/keyCode#Non-printable_keys_(function_keys)'>non-printable keys</a>, except for the Enter key, and the Shift + Enter and Ctrl + Enter key combinations (these were kept for cross-browser compatibility purposes)."
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true,
              "notes": "Samsung Internet does not fire the <code>keypress</code> event for <a href='https://crbug.com/13891#c50'>known keyboard shortcuts</a>. Which keyboard shortcuts are known depends on the user's system. Use the <code>keydown</code> event to implement keyboard shortcuts."
            },
            "webview_android": {
              "version_added": true,
              "notes": "Chrome does not fire the <code>keypress</code> event for <a href='https://crbug.com/13891#c50'>known keyboard shortcuts</a>. Which keyboard shortcuts are known depends on the user's system. Use the <code>keydown</code> event to implement keyboard shortcuts."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "keyup_event": {
        "__compat": {
          "description": "<code>keyup</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/keyup_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "localName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/localName",
          "support": {
            "chrome": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "chrome_android": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "48",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "2.0",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "webview_android": {
              "version_added": true,
              "notes": "This API was previously available on the <code>Node</code> API."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "matches": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/matches",
          "support": {
            "chrome": [
              {
                "version_added": "33"
              },
              {
                "version_added": "4",
                "alternative_name": "webkitMatchesSelector"
              }
            ],
            "chrome_android": [
              {
                "version_added": "33"
              },
              {
                "version_added": "18",
                "alternative_name": "webkitMatchesSelector"
              }
            ],
            "edge": [
              {
                "version_added": "≤18"
              },
              {
                "version_added": "≤18",
                "alternative_name": "webkitMatchesSelector"
              },
              {
                "version_added": "12",
                "alternative_name": "msMatchesSelector"
              }
            ],
            "firefox": [
              {
                "version_added": "34"
              },
              {
                "version_added": "44",
                "alternative_name": "webkitMatchesSelector"
              },
              {
                "version_added": "3.6",
                "alternative_name": "mozMatchesSelector",
                "notes": [
                  "Prior to Firefox 4, invalid selector strings caused false to be returned instead of throwing an exception.",
                  "See <a href='https://bugzil.la/1119718'>bug 1119718</a> for removal."
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "34"
              },
              {
                "version_added": "44",
                "alternative_name": "webkitMatchesSelector"
              },
              {
                "version_added": "4",
                "alternative_name": "mozMatchesSelector",
                "notes": "See <a href='https://bugzil.la/1119718'>bug 1119718</a> for removal."
              }
            ],
            "ie": {
              "version_added": "9",
              "alternative_name": "msMatchesSelector"
            },
            "opera": [
              {
                "version_added": "21"
              },
              {
                "version_added": "15",
                "alternative_name": "webkitMatchesSelector"
              },
              {
                "version_added": "11.5",
                "version_removed": "15",
                "alternative_name": "oMatchesSelector"
              }
            ],
            "opera_android": [
              {
                "version_added": "21"
              },
              {
                "version_added": "14",
                "alternative_name": "webkitMatchesSelector"
              },
              {
                "version_added": "11.5",
                "version_removed": "14",
                "alternative_name": "oMatchesSelector"
              }
            ],
            "safari": [
              {
                "version_added": "7"
              },
              {
                "version_added": "5",
                "alternative_name": "webkitMatchesSelector"
              }
            ],
            "safari_ios": [
              {
                "version_added": "8"
              },
              {
                "version_added": "4.2",
                "alternative_name": "webkitMatchesSelector"
              }
            ],
            "samsunginternet_android": [
              {
                "version_added": "2.0"
              },
              {
                "version_added": "1.0",
                "alternative_name": "webkitMatchesSelector"
              }
            ],
            "webview_android": [
              {
                "version_added": "4.4"
              },
              {
                "version_added": "≤37",
                "alternative_name": "webkitMatchesSelector"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mousedown_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mousedown_event",
          "description": "<code>mousedown</code> event",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "3.2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mouseenter_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mouseenter_event",
          "description": "<code>mouseenter</code> event",
          "support": {
            "chrome": {
              "version_added": "30"
            },
            "chrome_android": {
              "version_added": "30"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "10"
            },
            "firefox_android": {
              "version_added": "10"
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": "17"
            },
            "opera_android": {
              "version_added": "18"
            },
            "safari": {
              "version_added": "6.1"
            },
            "safari_ios": {
              "version_added": "6.1"
            },
            "samsunginternet_android": {
              "version_added": "2.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mouseleave_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mouseleave_event",
          "description": "<code>mouseleave</code> event",
          "support": {
            "chrome": {
              "version_added": "30"
            },
            "chrome_android": {
              "version_added": "30"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "10"
            },
            "firefox_android": {
              "version_added": "10"
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": "17"
            },
            "opera_android": {
              "version_added": "18"
            },
            "safari": {
              "version_added": "6.1"
            },
            "safari_ios": {
              "version_added": "6.1"
            },
            "samsunginternet_android": {
              "version_added": "2.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mousemove_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mousemove_event",
          "description": "<code>mousemove</code> event",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "3.2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mouseout_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mouseout_event",
          "description": "<code>mouseout</code> event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mouseover_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mouseover_event",
          "description": "<code>mouseover</code> event",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "9.5"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "3.2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mouseup_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mouseup_event",
          "description": "<code>mouseup</code> event",
          "support": {
            "chrome": {
              "version_added": "2"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "6"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11.6"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "3.2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mousewheel_event": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/mousewheel_event",
          "description": "<code>mousewheel</code> event",
          "support": {
            "chrome": {
              "version_added": "31"
            },
            "chrome_android": {
              "version_added": null
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": null
            },
            "webview_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "msContentZoom_event": {
        "__compat": {
          "description": "<code>msContentZoom</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/msContentZoom_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/name",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "namespaceURI": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/namespaceURI",
          "support": {
            "chrome": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "chrome_android": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "48",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true,
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "2.0",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "webview_android": {
              "version_added": true,
              "notes": "This API was previously available on the <code>Node</code> API."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onfullscreenchange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/onfullscreenchange",
          "support": {
            "chrome": {
              "version_added": "57"
            },
            "chrome_android": {
              "version_added": "57"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": [
              {
                "version_added": "64"
              },
              {
                "version_added": "10",
                "version_removed": "65",
                "alternative_name": "onmozfullscreenchange"
              }
            ],
            "firefox_android": [
              {
                "version_added": "64"
              },
              {
                "version_added": "10",
                "version_removed": "65",
                "alternative_name": "onmozfullscreenchange"
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "57"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onfullscreenerror": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/onfullscreenerror",
          "support": {
            "chrome": {
              "version_added": "57"
            },
            "chrome_android": {
              "version_added": "57"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": [
              {
                "version_added": "64"
              },
              {
                "version_added": "10",
                "version_removed": "65",
                "alternative_name": "onmozfullscreenerror"
              }
            ],
            "firefox_android": [
              {
                "version_added": "64"
              },
              {
                "version_added": "10",
                "version_removed": "65",
                "alternative_name": "onmozfullscreenerror"
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "57"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "openOrClosedShadowRoot": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/openOrClosedShadowRoot",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "63",
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions'>WebExtensions</a>."
            },
            "firefox_android": {
              "version_added": "63",
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Add-ons/WebExtensions'>WebExtensions</a>."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "outerHTML": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/outerHTML",
          "support": {
            "chrome": {
              "version_added": "33",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "chrome_android": {
              "version_added": "33",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "11"
            },
            "firefox_android": {
              "version_added": "14"
            },
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "9"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "samsunginternet_android": {
              "version_added": "2.0",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "webview_android": {
              "version_added": "4.4",
              "notes": "This API was previously available on the <code>Node</code> API."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "overflow_event": {
        "__compat": {
          "description": "<code>overflow</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/overflow_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "part": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/part",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "71",
              "flags": [
                {
                  "type": "preference",
                  "name": "layout.css.shadow-parts.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": "13.1"
            },
            "safari_ios": {
              "version_added": "13.4"
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "paste_event": {
        "__compat": {
          "description": "<code>paste</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/paste_event",
          "support": {
            "chrome": {
              "version_added": "58"
            },
            "chrome_android": {
              "version_added": "58"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "22"
            },
            "firefox_android": {
              "version_added": "22"
            },
            "ie": {
              "version_added": "11"
            },
            "opera": {
              "version_added": "45"
            },
            "opera_android": {
              "version_added": "43"
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "4.2"
            },
            "samsunginternet_android": {
              "version_added": "7.0"
            },
            "webview_android": {
              "version_added": "58"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "clipboardData": {
          "__compat": {
            "support": {
              "chrome": {
                "version_added": "58"
              },
              "chrome_android": {
                "version_added": "58"
              },
              "edge": {
                "version_added": "≤18"
              },
              "firefox": {
                "version_added": "22"
              },
              "firefox_android": {
                "version_added": "22"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "45"
              },
              "opera_android": {
                "version_added": "43"
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "samsunginternet_android": {
                "version_added": "7.0"
              },
              "webview_android": {
                "version_added": "58"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "prefix": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/prefix",
          "support": {
            "chrome": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "chrome_android": {
              "version_added": "31",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "edge": {
              "version_added": "13"
            },
            "firefox": {
              "version_added": "48",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "firefox_android": {
              "version_added": "48",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "2.0",
              "notes": "This API was previously available on the <code>Node</code> API."
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "querySelector": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/querySelector",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": [
              {
                "version_added": "9"
              },
              {
                "version_added": "8",
                "partial_implementation": true,
                "notes": "<code>querySelector()</code> is supported, but only for CSS 2.1 selectors."
              }
            ],
            "opera": {
              "version_added": "10"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": {
              "version_added": "2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "querySelectorAll": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/querySelectorAll",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": [
              {
                "version_added": "9"
              },
              {
                "version_added": "8",
                "partial_implementation": true,
                "notes": "<code>querySelectorAll()</code> is supported, but only for CSS 2.1 selectors."
              }
            ],
            "opera": {
              "version_added": "10"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": {
              "version_added": "2"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "releasePointerCapture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/releasePointerCapture",
          "support": {
            "chrome": {
              "version_added": "55"
            },
            "chrome_android": {
              "version_added": "55"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "59"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": false
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": [
              {
                "version_added": "11"
              },
              {
                "version_added": "10",
                "prefix": "ms"
              }
            ],
            "opera": {
              "version_added": "42"
            },
            "opera_android": {
              "version_added": "42"
            },
            "safari": {
              "version_added": "13"
            },
            "safari_ios": {
              "version_added": "13"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "55"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "removeAttribute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/removeAttribute",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12",
              "notes": "This function doesn't respect boolean attributes' default values. See <a href='https://developer.microsoft.com/microsoft-edge/platform/issues/12087679/'>bug 12087679</a>."
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "removeAttributeNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/removeAttributeNode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "removeAttributeNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/removeAttributeNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "requestFullscreen": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/requestFullscreen",
          "support": {
            "chrome": [
              {
                "version_added": "69"
              },
              {
                "version_added": "15",
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "69"
              },
              {
                "version_added": "18",
                "prefix": "webkit"
              }
            ],
            "edge": [
              {
                "version_added": "79"
              },
              {
                "version_added": "79",
                "prefix": "webkit"
              },
              {
                "version_added": "12",
                "prefix": "webkit",
                "version_removed": "14"
              }
            ],
            "firefox": [
              {
                "version_added": "64"
              },
              {
                "version_added": "47",
                "version_removed": "65",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "9",
                "version_removed": "65",
                "alternative_name": "mozRequestFullScreen",
                "notes": "Before Firefox 44, Firefox incorrectly allowed elements inside a <code>&lt;frame&gt;</code> or <code>&lt;object&gt;</code> element to request, and to be granted, fullscreen. In Firefox 44 and onwards this has been fixed: only elements in the top-level document or in an <code>&lt;iframe&gt;</code> element with the <code>allowfullscreen</code> attribute can be displayed fullscreen."
              }
            ],
            "firefox_android": [
              {
                "version_added": "64"
              },
              {
                "version_added": "47",
                "version_removed": "65",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "9",
                "version_removed": "65",
                "alternative_name": "mozRequestFullScreen",
                "notes": "Before Firefox 44, Firefox incorrectly allowed elements inside a <code>&lt;frame&gt;</code> or an <code>&lt;object&gt;</code> to request, and to be granted, fullscreen. In Firefox 44 and onwards this has been fixed: only elements in the top-level document or in an <code><code>&lt;iframe&gt;</code></code> with the <code>allowfullscreen</code> attribute can be displayed fullscreen."
              }
            ],
            "ie": {
              "version_added": "11",
              "prefix": "ms"
            },
            "opera": [
              {
                "version_added": "58"
              },
              {
                "version_added": "15",
                "prefix": "webkit"
              },
              {
                "version_added": "12",
                "version_removed": "15",
                "prefix": "o"
              }
            ],
            "opera_android": [
              {
                "version_added": "50"
              },
              {
                "version_added": "14",
                "prefix": "webkit"
              },
              {
                "version_added": "12",
                "version_removed": "14",
                "prefix": "o"
              }
            ],
            "safari": {
              "version_added": "6",
              "prefix": "webkit"
            },
            "safari_ios": {
              "version_added": "6",
              "prefix": "webkit",
              "notes": "Only available on iPad, not on iPhone. Shows an overlay button which can not be disabled."
            },
            "samsunginternet_android": [
              {
                "version_added": "10.0"
              },
              {
                "prefix": "webkit",
                "version_added": "1.0"
              }
            ],
            "webview_android": [
              {
                "version_added": "69"
              },
              {
                "version_added": "≤37",
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "options_parameter": {
          "__compat": {
            "description": "<code>options</code> parameter",
            "support": {
              "chrome": {
                "version_added": "71"
              },
              "chrome_android": {
                "version_added": "71"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "samsunginternet_android": {
                "version_added": "10.0"
              },
              "webview_android": {
                "version_added": "71"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "returns_a_promise": {
          "__compat": {
            "description": "Returns a <code>Promise</code>",
            "support": {
              "chrome": {
                "version_added": "71"
              },
              "chrome_android": {
                "version_added": "71"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": "64"
              },
              "firefox_android": {
                "version_added": "64"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": false
              },
              "opera_android": {
                "version_added": false
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "10.0"
              },
              "webview_android": {
                "version_added": "71"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "requestPointerLock": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/requestPointerLock",
          "support": {
            "chrome": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": "13"
            },
            "firefox": [
              {
                "version_added": "50"
              },
              {
                "version_added": true,
                "prefix": "moz"
              }
            ],
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": [
              {
                "version_added": true
              },
              {
                "prefix": "webkit",
                "version_added": true
              }
            ],
            "webview_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "runtimeStyle": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/runtimeStyle",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "scroll": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scroll",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "36"
            },
            "firefox_android": {
              "version_added": "36"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "32"
            },
            "opera_android": {
              "version_added": "32"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "45"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "ScrollToOptions": {
          "__compat": {
            "description": "<code>ScrollToOptions</code> parameter",
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": {
                "version_added": "45"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "32"
              },
              "opera_android": {
                "version_added": "32"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "45"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "scroll_event": {
        "__compat": {
          "description": "<code>scroll</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scroll_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrollBy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollBy",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "32"
            },
            "opera_android": {
              "version_added": "32"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "45"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "ScrollToOptions": {
          "__compat": {
            "description": "<code>ScrollToOptions</code> parameter",
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": {
                "version_added": "45"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "32"
              },
              "opera_android": {
                "version_added": "32"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "45"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "scrollHeight": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollHeight",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "21"
              },
              {
                "version_added": "3",
                "version_removed": "21",
                "partial_implementation": true,
                "notes": "In Firefox versions prior to 21, when an element's content does not generate a vertical scrollbar, then its <code>scrollHeight</code> property is equal to its <code>clientHeight</code> property. This can mean either the content is too short to require a scrollbar or that the element has a CSS style <code>overflow</code> value of <code>visible</code> (non-scrollable)."
              }
            ],
            "firefox_android": [
              {
                "version_added": "21"
              },
              {
                "version_added": "4",
                "version_removed": "21",
                "partial_implementation": true,
                "notes": "In Firefox versions prior to 21, when an element's content does not generate a vertical scrollbar, then its <code>scrollHeight</code> property is equal to its <code>clientHeight</code> property. This can mean either the content is too short to require a scrollbar or that the element has a CSS style <code>overflow</code> value of <code>visible</code> (non-scrollable)."
              }
            ],
            "ie": {
              "version_added": "5",
              "notes": "In Internet Explorer 5 through 7, if padding is set, the value of <code>scrollHeight</code> is equal to the sum of the top and bottom padding. This behavior was fixed in Internet Explorer 8."
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrollIntoView": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollIntoView",
          "support": {
            "chrome": {
              "version_added": "29"
            },
            "chrome_android": {
              "version_added": "29"
            },
            "edge": [
              {
                "version_added": "18",
                "notes": "The only parameter supported is <code>alignToTop</code>."
              },
              {
                "version_added": "12",
                "version_removed": "18",
                "notes": [
                  "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function.",
                  "No support for <code>smooth</code> behavior."
                ]
              }
            ],
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8",
              "notes": [
                "This function is implemented in the <code>HTMLElement</code> API, meaning non-HTML elements (like SVG elements) cannot use this function.",
                "No support for <code>smooth</code> behavior or <code>center</code> options."
              ]
            },
            "opera": {
              "version_added": "38"
            },
            "opera_android": {
              "version_added": "41"
            },
            "safari": {
              "version_added": "6",
              "notes": "No support for <code>smooth</code> behavior or <code>center</code> options."
            },
            "safari_ios": {
              "version_added": "5",
              "notes": "No support for <code>smooth</code> behavior or <code>center</code> options."
            },
            "samsunginternet_android": {
              "version_added": "2.0"
            },
            "webview_android": {
              "version_added": "≤37"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        },
        "scrollIntoViewOptions": {
          "__compat": {
            "description": "<code>scrollIntoViewOptions</code>",
            "support": {
              "chrome": {
                "version_added": "61",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "chrome_android": {
                "version_added": "61",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "edge": {
                "version_added": "79",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "firefox": {
                "version_added": "36",
                "notes": [
                  "No support for <code>inline</code> option.",
                  "Before Firefox 58, <code>nearest</code> and <code>center</code> values for the <code>block</code> option was unsupported. See <a href='https://bugzil.la/1389274'>bug 1389274</a>."
                ]
              },
              "firefox_android": {
                "version_added": "36",
                "notes": [
                  "No support for <code>inline</code> option.",
                  "Before Firefox 58, <code>nearest</code> and <code>center</code> values for the <code>block</code> option was unsupported. See <a href='https://bugzil.la/1389274'>bug 1389274</a>."
                ]
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "48",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "opera_android": {
                "version_added": "45",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "8.0",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              },
              "webview_android": {
                "version_added": "61",
                "notes": "The <code>block</code> and <code>inline</code> options support the values <code>start</code>, <code>center</code>, <code>end</code>, <code>nearest</code>."
              }
            },
            "status": {
              "experimental": true,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "scrollIntoViewIfNeeded": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollIntoViewIfNeeded",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "15"
            },
            "opera_android": {
              "version_added": "14"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "scrollLeft": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollLeft",
          "support": {
            "chrome": {
              "version_added": "43",
              "notes": "For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See <a href='https://crbug.com/721759'>bug 721759</a>."
            },
            "chrome_android": {
              "version_added": "43",
              "notes": "For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See <a href='https://crbug.com/721759'>bug 721759</a>."
            },
            "edge": {
              "version_added": "12",
              "notes": [
                "From Edge 79, for right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See <a href='https://crbug.com/721759'>bug 721759</a>.",
                "Before Edge 79, for right-to-left elements, this property uses 100-0 (most left to most right) instead of negative values."
              ]
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8",
              "notes": "For right-to-left elements, this property uses 100-0 (most left to most right) instead of negative values."
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43",
              "notes": "For right-to-left elements, this property uses 0-100 (most left to most right) instead of negative values. See <a href='https://crbug.com/721759'>bug 721759</a>."
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrollLeftMax": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollLeftMax",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "16"
            },
            "firefox_android": {
              "version_added": "16"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "scrollTo": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollTo",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "36"
            },
            "firefox_android": {
              "version_added": "36"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "32"
            },
            "opera_android": {
              "version_added": "32"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "45"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "ScrollToOptions": {
          "__compat": {
            "description": "<code>ScrollToOptions</code> parameter",
            "support": {
              "chrome": {
                "version_added": "45"
              },
              "chrome_android": {
                "version_added": "45"
              },
              "edge": {
                "version_added": "79"
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "32"
              },
              "opera_android": {
                "version_added": "32"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "samsunginternet_android": {
                "version_added": "5.0"
              },
              "webview_android": {
                "version_added": "45"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "scrollTop": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollTop",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrollTopMax": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollTopMax",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": "16"
            },
            "firefox_android": {
              "version_added": "16"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "scrollWidth": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/scrollWidth",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "5",
              "notes": "In Internet Explorer 5 through 7, if padding is set, the value of <code>scrollWidth</code> is equal to the sum of the left and right padding. This behavior was fixed in Internet Explorer 8."
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "select_event": {
        "__compat": {
          "description": "<code>select</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/select_event",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "≤18"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setAttribute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setAttribute",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "18"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "5",
              "notes": "In Internet Explorer 7 and earlier, <code>setAttribute</code> doesn't set styles and removes events when you try to set them."
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": {
              "version_added": "1.0"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setAttributeNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setAttributeNode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setAttributeNodeNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setAttributeNodeNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12",
              "notes": "Returns a <code>ClientRectList</code> with <a href='http://msdn.microsoft.com/en-us/library/hh826029(VS.85).aspx'>ClientRect</a> objects (which do not contain <code>x</code> and <code>y</code> properties) instead of <a href='https://developer.mozilla.org/docs/Web/API/DOMRect'><code>DOMRect</code></a> objects."
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": true,
              "notes": "Returns a <code>ClientRectList</code> with <a href='http://msdn.microsoft.com/en-us/library/hh826029(VS.85).aspx'>ClientRect</a> objects (which do not contain <code>x</code> and <code>y</code> properties) instead of <a href='https://developer.mozilla.org/docs/Web/API/DOMRect'><code>DOMRect</code></a> objects."
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setAttributeNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setAttributeNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "setCapture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setCapture",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": "12",
              "version_removed": "79",
              "notes": "The <code>retargetToElement</code> parameter to <code>Element.setCapture()</code> was introduced in Edge 5.5."
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": "5",
              "notes": "The <code>retargetToElement</code> parameter to <code>Element.setCapture()</code> was introduced in Internet Explorer 5.5."
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "setPointerCapture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/setPointerCapture",
          "support": {
            "chrome": {
              "version_added": "55"
            },
            "chrome_android": {
              "version_added": "55"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "59"
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": false
              },
              {
                "version_added": "41",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.w3c_pointer_events.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": [
              {
                "version_added": "11"
              },
              {
                "version_added": "10",
                "prefix": "ms"
              }
            ],
            "opera": {
              "version_added": "42"
            },
            "opera_android": {
              "version_added": "42"
            },
            "safari": {
              "version_added": "13"
            },
            "safari_ios": {
              "version_added": "13"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "55"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "shadowRoot": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/shadowRoot",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": [
              {
                "version_added": "63"
              },
              {
                "version_added": "59",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "version_added": "63"
              },
              {
                "version_added": "59",
                "version_removed": "63",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.shadowdom.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "40"
            },
            "opera_android": {
              "version_added": "41"
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "show_event": {
        "__compat": {
          "description": "<code>show</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/show_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "slot": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/slot",
          "support": {
            "chrome": {
              "version_added": "53"
            },
            "chrome_android": {
              "version_added": "53"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": {
              "version_added": "63"
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "10"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "53"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "tabStop": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/tabStop",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "≤79"
            },
            "firefox": {
              "version_added": null
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "tagName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/tagName",
          "support": {
            "chrome": {
              "version_added": "43"
            },
            "chrome_android": {
              "version_added": "43"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "6"
            },
            "safari_ios": {
              "version_added": "6"
            },
            "samsunginternet_android": {
              "version_added": "4.0"
            },
            "webview_android": {
              "version_added": "43"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "toggleAttribute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/toggleAttribute",
          "support": {
            "chrome": {
              "version_added": "69"
            },
            "chrome_android": {
              "version_added": "69"
            },
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": {
              "version_added": "63"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "56"
            },
            "opera_android": {
              "version_added": "48"
            },
            "safari": {
              "version_added": "12"
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "10.0"
            },
            "webview_android": {
              "version_added": "69"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "touchcancel_event": {
        "__compat": {
          "description": "<code>touchcancel</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/touchcancel_event",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "touchend_event": {
        "__compat": {
          "description": "<code>touchend</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/touchend_event",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "touchmove_event": {
        "__compat": {
          "description": "<code>touchmove</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/touchmove_event",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "touchstart_event": {
        "__compat": {
          "description": "<code>touchstart</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/touchstart_event",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "chrome_android": {
              "version_added": "25"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "52"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": "1.5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "underflow_event": {
        "__compat": {
          "description": "<code>underflow</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/underflow_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "webkitmouseforcechanged_event": {
        "__compat": {
          "description": "<code>webkitmouseforcechanged</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/webkitmouseforcechanged_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "webkitmouseforcedown_event": {
        "__compat": {
          "description": "<code>webkitmouseforcedown</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/webkitmouseforcedown_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "webkitmouseforceup_event": {
        "__compat": {
          "description": "<code>webkitmouseforceup</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/webkitmouseforceup_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "webkitmouseforcewillbegin_event": {
        "__compat": {
          "description": "<code>webkitmouseforcewillbegin</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/webkitmouseforcewillbegin_event",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "samsunginternet_android": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "wheel_event": {
        "__compat": {
          "description": "<code>wheel</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Element/wheel_event",
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": {
              "version_added": "61"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "17"
            },
            "firefox_android": {
              "version_added": "17"
            },
            "ie": {
              "version_added": "9",
              "notes": "Internet Explorer only exposes the wheel event via <code>addEventListener</code>; there is no <code>onwheel</code> attribute on DOM objects. See <a href='https://connect.microsoft.com/IE/feedback/details/782835/missing-onwheel-attribute-for-the-wheel-event-although-its-supported-via-addeventlistener'>IE bug 782835</a>."
            },
            "opera": {
              "version_added": "48"
            },
            "opera_android": {
              "version_added": "45"
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "samsunginternet_android": {
              "version_added": "8.0"
            },
            "webview_android": {
              "version_added": "61"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}
