{
  "api": {
    "IntersectionObserverEntry": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry",
        "support": {
          "chrome": {
            "version_added": "51"
          },
          "chrome_android": {
            "version_added": "51"
          },
          "edge": {
            "version_added": "15"
          },
          "firefox": [
            {
              "version_added": "55"
            },
            {
              "version_added": "53",
              "version_removed": "55",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.IntersectionObserver.enabled",
                  "value_to_set": "true"
                }
              ]
            }
          ],
          "ie": {
            "version_added": false
          },
          "opera": {
            "version_added": true
          },
          "safari": {
            "version_added": "12.1"
          },
          "samsunginternet_android": {
            "version_added": "5.0"
          },
          "webview_android": {
            "version_added": "51"
          }
        },
        "status": {
          "experimental": true,
          "standard_track": true,
          "deprecated": false
        }
      },
      "boundingClientRect": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/boundingClientRect",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "intersectionRatio": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/intersectionRatio",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "intersectionRect": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/intersectionRect",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "isIntersecting": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/isIntersecting",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "16"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": "12.1"
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "rootBounds": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/rootBounds",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "target": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/target",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "time": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/IntersectionObserverEntry/time",
          "support": {
            "chrome": {
              "version_added": "51"
            },
            "chrome_android": {
              "version_added": "51"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": [
              {
                "version_added": "55"
              },
              {
                "version_added": "53",
                "version_removed": "55",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.IntersectionObserver.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "samsunginternet_android": {
              "version_added": "5.0"
            },
            "webview_android": {
              "version_added": "51"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}