{
  "api": {
    "HTMLSlotElement": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement",
        "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"
                }
              ]
            },
            {
              "version_added": true,
              "version_removed": "59",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.webcomponents.enabled",
                  "value_to_set": "true"
                },
                {
                  "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"
                }
              ]
            },
            {
              "version_added": true,
              "version_removed": "59",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.webcomponents.enabled",
                  "value_to_set": "true"
                },
                {
                  "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": "10.1"
          },
          "safari_ios": {
            "version_added": "10.3"
          },
          "samsunginternet_android": {
            "version_added": "6.0"
          },
          "webview_android": {
            "version_added": "53"
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "assignedElements": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/assignedElements",
          "support": {
            "chrome": {
              "version_added": "65"
            },
            "chrome_android": {
              "version_added": "65"
            },
            "edge": {
              "version_added": "79"
            },
            "firefox": {
              "version_added": "66"
            },
            "firefox_android": {
              "version_added": "66"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "9.0"
            },
            "webview_android": {
              "version_added": "65"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "assignedNodes": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/assignedNodes",
          "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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": "10.1"
            },
            "safari_ios": {
              "version_added": "10.3"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "53"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/name",
          "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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": "10.1"
            },
            "safari_ios": {
              "version_added": "10.3"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "53"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "slotchange_event": {
        "__compat": {
          "description": "<code>slotchange</code> event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLSlotElement/slotchange_event",
          "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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"
                  }
                ]
              },
              {
                "version_added": true,
                "version_removed": "59",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.webcomponents.enabled",
                    "value_to_set": "true"
                  },
                  {
                    "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": "10.1"
            },
            "safari_ios": {
              "version_added": "10.3"
            },
            "samsunginternet_android": {
              "version_added": "6.0"
            },
            "webview_android": {
              "version_added": "53"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}
