{
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          },
          "chrome_android": {
            "version_added": true
          },
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            "version_added": true
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            "version_added": true
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            "version_added": true
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            "version_added": true
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            },
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              "version_added": null
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              "version_added": "47"
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            "deprecated": false
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              "version_added": true
            },
            "edge": {
              "version_added": true
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              "version_added": true
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              "version_added": true
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              "version_added": true
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              "version_added": true
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              "version_added": true
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            "standard_track": true,
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            },
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              "version_added": true
            },
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              "version_added": null
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            },
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              "version_added": true
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            "firefox_android": {
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            "standard_track": false,
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        }
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            },
            "chrome_android": {
              "version_added": true
            },
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            "standard_track": false,
            "deprecated": true
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        }
      },
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            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
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            "firefox": {
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            "firefox_android": {
              "version_added": true
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            "opera_android": {
              "version_added": null
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            },
            "webview_android": {
              "version_added": true
            }
          },
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            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/applets",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
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            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "async": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/async",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "bgColor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/bgColor",
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            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
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              "version_added": null
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            "firefox": {
              "version_added": true
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            "firefox_android": {
              "version_added": true
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            "ie": {
              "version_added": null
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            "opera": {
              "version_added": null
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            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
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            "opera_android": {
              "version_added": true
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            "standard_track": true,
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              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
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              "version_added": true
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              "version_added": null
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            "webview_android": {
              "version_added": true
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          },
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            "standard_track": false,
            "deprecated": true
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        }
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            },
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            "firefox": {
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            "ie": {
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            "opera_android": {
              "version_added": "15"
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            "safari": {
              "version_added": true
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            "safari_ios": {
              "version_added": true
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            "webview_android": {
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          },
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            "standard_track": false,
            "deprecated": false
          }
        }
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              },
              {
                "alternative_name": "charset",
                "version_added": true,
                "notes": "<code>charset</code> alias was made read-only in 45."
              },
              {
                "alternative_name": "inputEncoding",
                "version_added": true
              }
            ],
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              },
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              {
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                "version_added": true
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              {
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                "version_added": true
              },
              {
                "alternative_name": "inputEncoding",
                "version_added": null
              }
            ],
            "edge_mobile": [
              {
                "version_added": true
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              {
                "alternative_name": "charset",
                "version_added": true
              },
              {
                "alternative_name": "inputEncoding",
                "version_added": null
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            "firefox": [
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                "version_added": true
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              {
                "alternative_name": "charset",
                "version_added": "44"
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              {
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                "version_added": true
              }
            ],
            "firefox_android": [
              {
                "version_added": true
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              {
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              },
              {
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                "version_added": true
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              {
                "version_added": null
              },
              {
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                "version_added": null
              },
              {
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                "version_added": null
              }
            ],
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              {
                "version_added": null
              },
              {
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                "version_added": null
              },
              {
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                "version_added": null
              }
            ],
            "opera_android": [
              {
                "version_added": null
              },
              {
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                "version_added": null
              }
            ],
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                "version_added": null
              },
              {
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                "version_added": "9"
              },
              {
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              }
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              {
                "version_added": null
              },
              {
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                "version_added": null
              },
              {
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                "version_added": null
              }
            ],
            "webview_android": [
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              },
              {
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                "version_added": true
              },
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                "version_added": true
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            ]
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            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "clear": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/clear",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
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              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "close": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/close",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "compatMode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/compatMode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
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            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "contains": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/contains",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
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              "version_added": null
            },
            "firefox": {
              "version_added": true
            },
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              "version_added": true
            },
            "ie": {
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            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
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            },
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              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "contentType": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/contentType",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
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            "firefox": {
              "version_added": true
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              "version_added": true
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
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            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "cookie": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/cookie",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
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            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createAttribute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createAttribute",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "44"
              },
              {
                "version_added": "4",
                "version_removed": "44",
                "notes": "The parameter was not converted to its lowercase variant."
              }
            ],
            "firefox_android": [
              {
                "version_added": "44"
              },
              {
                "version_added": "4",
                "version_removed": "44",
                "notes": "The parameter was not converted to its lowercase variant."
              }
            ],
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createAttributeNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createAttributeNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createCDATASection": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createCDATASection",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createComment": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createComment",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createDocumentFragment": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createDocumentFragment",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createElement",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true,
              "notes": "Doesn't conform to the DOM spec for XUL and XHTML documents: <code>localName</code> and <code>namespaceURI</code> are not set to null on the created element."
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "options": {
          "__compat": {
            "description": "<code>options</code> parameter",
            "support": {
              "chrome": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "chrome_android": {
                "version_added": false,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "50",
                "notes": "Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object."
              },
              "firefox_android": {
                "version_added": "50",
                "notes": "Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object."
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "opera_android": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "webview_android": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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          }
        }
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        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createElementNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true,
              "notes": "Doesn't conform to the DOM spec for XUL and XHTML documents: <code>localName</code> and <code>namespaceURI</code> are not set to null on the created element."
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "options": {
          "__compat": {
            "description": "<code>options</code> parameter",
            "support": {
              "chrome": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "chrome_android": {
                "version_added": false,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "50",
                "notes": "Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object."
              },
              "firefox_android": {
                "version_added": "50",
                "notes": "Firefox accepts a string instead of an object here, but only from version 51 onwards. In version 50, options must be an object."
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "opera_android": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "webview_android": {
                "version_added": true,
                "notes": "For backwards compatibility, the <code>options</code> argument can be an object or a string with the custom element tag name, although the string version is deprecated."
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "createEntityReference": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createEntityReference",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "createEvent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createEvent",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createExpression": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createExpression",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createNSResolver": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createNSResolver",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createNodeIterator": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createNodeIterator",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createProcessingInstruction": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createProcessingInstruction",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createRange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createRange",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createTextNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createTextNode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "createTouch": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createTouch",
          "support": {
            "chrome": [
              {
                "version_added": "22",
                "version_removed": "66"
              },
              {
                "version_added": "59",
                "notes": "All parameters optional"
              }
            ],
            "chrome_android": [
              {
                "version_added": "22",
                "version_removed": "66"
              },
              {
                "version_added": "59",
                "notes": "All parameters optional"
              }
            ],
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "18"
            },
            "firefox_android": {
              "version_added": "6"
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": true,
              "version_removed": "53"
            },
            "opera_android": {
              "version_added": true,
              "version_removed": "53"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": [
              {
                "version_added": "22",
                "version_removed": "66"
              },
              {
                "version_added": "59",
                "notes": "All parameters optional"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "createTouchList": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createTouchList",
          "support": {
            "chrome": {
              "version_added": "22"
            },
            "chrome_android": {
              "version_added": "22"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "18"
            },
            "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
            },
            "webview_android": {
              "version_added": "22"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "createTreeWalker": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/createTreeWalker",
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "2"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "9"
            },
            "opera_android": {
              "version_added": "9"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "3"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "whatToShow_filter_optional": {
          "__compat": {
            "description": "<code>whatToShow</code> and <code>filter</code> optional",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "12"
              },
              "firefox_android": {
                "version_added": "14"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "3"
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "expandEntityReferences": {
          "__compat": {
            "description": "<code>expandEntityReferences</code> parameter",
            "support": {
              "chrome": {
                "version_added": "1"
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "2",
                "version_removed": "12"
              },
              "firefox_android": {
                "version_added": "4",
                "version_removed": "14"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "9"
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": "3"
              },
              "safari_ios": {
                "version_added": "3"
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "currentScript": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/currentScript",
          "support": {
            "chrome": {
              "version_added": "29"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "16"
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "8"
            },
            "safari_ios": {
              "version_added": "8"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "defaultView": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/defaultView",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "designMode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/designMode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": true
            },
            "firefox_android": {
              "version_added": null
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "dir": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/dir",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": true,
              "notes": "Incorrect behavior before Firefox 23."
            },
            "firefox_android": {
              "version_added": true,
              "notes": "Incorrect behavior before Firefox 23."
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "doctype": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/doctype",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "documentElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/documentElement",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "documentURI": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/documentURI",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "readonly": {
          "__compat": {
            "description": "Read-only behavior",
            "support": {
              "chrome": {
                "version_added": "43"
              },
              "chrome_android": {
                "version_added": "43"
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": true
              },
              "firefox_android": {
                "version_added": true
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": "30"
              },
              "opera_android": {
                "version_added": "30"
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "webview_android": {
                "version_added": "43"
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "documentURIObject": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/documentURIObject",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "version_removed": "57",
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Archive/Add-ons'>legacy extensions</a>."
            },
            "firefox_android": {
              "version_added": true,
              "version_removed": "57",
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Archive/Add-ons'>legacy extensions</a>."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "domConfig": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/domConfig",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "domain": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/domain",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "embeds": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/embeds",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "enableStyleSheetsForSet": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/enableStyleSheetsForSet",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "evaluate": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/evaluate",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "1.5"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "9"
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "execCommand": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/execCommand",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "insertBrOnReturn": {
          "__compat": {
            "description": "<code>insertBrOnReturn</code> command",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": false
              },
              "edge_mobile": {
                "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
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "copy": {
          "__compat": {
            "description": "<code>copy</code> command",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": true
              },
              "edge_mobile": {
                "version_added": true
              },
              "firefox": {
                "version_added": "41"
              },
              "firefox_android": {
                "version_added": "41"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "29"
              },
              "opera_android": {
                "version_added": "29"
              },
              "safari": {
                "version_added": "10"
              },
              "safari_ios": {
                "version_added": "10"
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "cut": {
          "__compat": {
            "description": "<code>cut</code> command",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": true
              },
              "edge_mobile": {
                "version_added": true
              },
              "firefox": {
                "version_added": "41"
              },
              "firefox_android": {
                "version_added": "41"
              },
              "ie": {
                "version_added": "9"
              },
              "opera": {
                "version_added": "29"
              },
              "opera_android": {
                "version_added": "29"
              },
              "safari": {
                "version_added": "10"
              },
              "safari_ios": {
                "version_added": "10"
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "defaultParagraphSeparator": {
          "__compat": {
            "description": "<code>defaultParagraphSeparator</code> command",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": true
              },
              "edge_mobile": {
                "version_added": true
              },
              "firefox": {
                "version_added": "55"
              },
              "firefox_android": {
                "version_added": "55"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": false
              },
              "safari_ios": {
                "version_added": false
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        },
        "ClearAuthenticationCache": {
          "__compat": {
            "description": "<code>ClearAuthenticationCache</code> command",
            "support": {
              "chrome": {
                "version_added": false
              },
              "chrome_android": {
                "version_added": false
              },
              "edge": {
                "version_added": true
              },
              "edge_mobile": {
                "version_added": true
              },
              "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
              },
              "webview_android": {
                "version_added": false
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      },
      "execCommandShowHelp": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/execCommandShowHelp",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "version_removed": "14",
              "partial_implementation": true,
              "notes": "This method never did anything and always threw an exception."
            },
            "firefox_android": {
              "version_added": true,
              "version_removed": "14",
              "partial_implementation": true,
              "notes": "This method never did anything and always threw an exception."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "exitFullscreen": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/exitFullScreen",
          "support": {
            "chrome": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": [
              {
                "alternative_name": "mozCancelFullScreen",
                "version_added": "9"
              },
              {
                "version_added": "49",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "alternative_name": "mozCancelFullScreen",
                "version_added": "9"
              },
              {
                "version_added": "49",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "exitPointerLock": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/exitPointerLock",
          "support": {
            "chrome": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ],
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "50"
              },
              {
                "version_added": true,
                "prefix": "moz"
              }
            ],
            "firefox_android": [
              {
                "version_added": "50"
              },
              {
                "version_added": true,
                "prefix": "moz"
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": [
              {
                "version_added": true
              },
              {
                "version_added": true,
                "prefix": "webkit"
              }
            ]
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "fgColor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/fgColor",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "fileSize": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/fileSize",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": true,
              "version_removed": "11"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "forms": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/forms",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "fullscreen": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/fullscreen",
          "support": {
            "chrome": {
              "alternative_name": "webkitIsFullScreen",
              "version_added": true
            },
            "chrome_android": {
              "alternative_name": "webkitIsFullScreen",
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": [
              {
                "alternative_name": "mozFullScreen",
                "version_added": "9"
              },
              {
                "version_added": "49",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "firefox_android": [
              {
                "alternative_name": "mozFullSreen",
                "version_added": "9"
              },
              {
                "version_added": "49",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "alternative_name": "webkitIsFullScreen",
              "version_added": true
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": null
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "fullscreenEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/fullscreenEnabled",
          "support": {
            "chrome": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "-webkit"
              }
            ],
            "chrome_android": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "-webkit"
              }
            ],
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": [
              {
                "version_added": "47",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "10",
                "prefix": "moz"
              }
            ],
            "firefox_android": [
              {
                "version_added": "47",
                "flags": [
                  {
                    "type": "preference",
                    "name": "full-screen-api.unprefix.enabled",
                    "value_to_set": "true"
                  }
                ]
              },
              {
                "version_added": "10",
                "prefix": "moz"
              }
            ],
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": [
              {
                "version_added": "45"
              },
              {
                "version_added": true,
                "prefix": "-webkit"
              }
            ]
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getAnimations": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getAnimations",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false,
              "notes": "Currently available only in Firefox Nightly and Firefox Developer Edition."
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getBoxObjectFor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getBoxObjectFor",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "version_removed": true
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "getElementById": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getElementById",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": "1"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "5.5"
            },
            "opera": {
              "version_added": "7"
            },
            "opera_android": {
              "version_added": "6"
            },
            "safari": {
              "version_added": "1"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "webview_android": {
              "version_added": "1"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByClassName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getElementsByClassName",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getElementsByName",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByTagName": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getElementsByTagName",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "getElementsByTagNameNS": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/getElementsByTagNameNS",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "hasFocus": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/hasFocus",
          "support": {
            "chrome": {
              "version_added": "30"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "3"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "6"
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "head": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/head",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "11"
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "height": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/height",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "hidden": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/hidden",
          "support": {
            "chrome": [
              {
                "version_added": "33"
              },
              {
                "version_added": "13",
                "prefix": "webkit"
              }
            ],
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "18",
                "notes": "Since Firefox 56 it also returns <code>true</code> on Mac when the window is completely hidden by another non-translucent application."
              },
              {
                "version_added": "10",
                "version_removed": "52",
                "prefix": "-moz-"
              }
            ],
            "firefox_android": [
              {
                "version_added": "18",
                "notes": "Since Firefox 56 it also returns <code>true</code> on Mac when the window is completely hidden by another non-translucent application."
              },
              {
                "version_added": "10",
                "version_removed": "52",
                "prefix": "-moz-"
              }
            ],
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": "12.1"
            },
            "opera_android": {
              "version_added": "12.1"
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "images": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/images",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "implementation": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/implementation",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "importNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/importNode",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": {
              "version_added": "9"
            },
            "opera": {
              "version_added": "9"
            },
            "opera_android": {
              "version_added": "9"
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "deep_optional": {
          "__compat": {
            "description": "<code>deep</code> parameter optional",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": true
              },
              "edge_mobile": {
                "version_added": true
              },
              "firefox": {
                "version_added": "10"
              },
              "firefox_android": {
                "version_added": "10"
              },
              "ie": {
                "version_added": false
              },
              "opera": {
                "version_added": true
              },
              "opera_android": {
                "version_added": true
              },
              "safari": {
                "version_added": true
              },
              "safari_ios": {
                "version_added": true
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
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          }
        }
      },
      "lastModified": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/lastModified",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
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        }
      },
      "lastStyleSheetSet": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/lastStyleSheetSet",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "linkColor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/linkColor",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "links": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/links",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loadOverlay": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/loadOverlay",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": [
              {
                "version_added": "61",
                "flags": [
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                    "type": "compile_flag",
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                ],
                "notes": [
                  "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Tech/XUL'>XUL documents</a>.",
                  "If a XUL document attempts to load an overlay without the compile flag, an error will be thrown (see <a href='https://bugzil.la/1448162'>bug 1448162</a>).",
                  "See <a href='https://bugzil.la/1449791'>bug 1449791</a>"
                ]
              },
              {
                "version_added": true,
                "version_removed": "61",
                "notes": [
                  "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Tech/XUL'>XUL documents</a>.",
                  "See <a href='https://bugzil.la/1449791'>bug 1449791</a>"
                ]
              }
            ],
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
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      },
      "location": {
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          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/location",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "mozSetImageElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/mozSetImageElement",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "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": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "mozSyntheticDocument": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/mozSyntheticDocument",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "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": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "normalizeDocument": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/normalizeDocument",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "onafterscriptexecute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onafterscriptexecute",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "onbeforescriptexecute": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onbeforescriptexecute",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "oncopy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/oncopy",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "oncut": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/oncut",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "onfreeze": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onfreeze",
          "support": {
            "chrome": {
              "version_added": "68"
            },
            "chrome_android": {
              "version_added": "68"
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "55"
            },
            "opera_android": {
              "version_added": "55"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": "68"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onfullscreenchange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onfullscreenchange",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": "47",
              "flags": [
                {
                  "type": "preference",
                  "name": "full-screen-api.unprefix.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "47",
              "flags": [
                {
                  "type": "preference",
                  "name": "full-screen-api.unprefix.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": "45"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onfullscreenerror": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onfullscreenerror",
          "support": {
            "chrome": {
              "version_added": "45"
            },
            "chrome_android": {
              "version_added": "45"
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": "47",
              "flags": [
                {
                  "type": "preference",
                  "name": "full-screen-api.unprefix.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "47",
              "flags": [
                {
                  "type": "preference",
                  "name": "full-screen-api.unprefix.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": "45"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onpaste": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onpaste",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "onpointerlockchange": {
        "__compat": {
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onpointerlockerror": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onpointerlockerror",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onreadystatechange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onreadystatechange",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onresume": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onresume",
          "support": {
            "chrome": {
              "version_added": "68"
            },
            "chrome_android": {
              "version_added": "68"
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "55"
            },
            "opera_android": {
              "version_added": "55"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": "68"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onselectionchange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onselectionchange",
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "chrome_android": {
              "version_added": "49"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "45",
              "notes": "Flag not necessary on Nightly",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.select_events.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": {
              "version_added": "45",
              "notes": "Flag not necessary on Nightly",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.select_events.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "ie": {
              "version_added": null
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": "49"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "onvisibilitychange": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/onvisibilitychange",
          "support": {
            "chrome": [
              {
                "version_added": "33"
              },
              {
                "version_added": "13",
                "prefix": "webkit"
              }
            ],
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "56"
            },
            "firefox_android": {
              "version_added": "56"
            },
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": "12.1",
              "notes": "Doesn't fire the <code>visibilitychange</code> event when the browser window is minimized, nor when <code>hidden</code> is set to true."
            },
            "opera_android": {
              "version_added": "12.1",
              "notes": "Doesn't fire the <code>visibilitychange</code> event when the browser window is minimized, nor when <code>hidden</code> is set to true."
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "webview_android": {
              "version_added": "33"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "open": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/open",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "origin": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/origin",
          "support": {
            "chrome": {
              "version_added": "41"
            },
            "chrome_android": {
              "version_added": "41"
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "plugins": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/plugins",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "popupNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/popupNode",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Tech/XUL'>XUL documents</a>."
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "preferredStyleSheetSet": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/preferredStyleSheetSet",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "queryCommandEnabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandEnabled",
          "support": {
            "chrome": {
              "version_added": "17"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "41"
              },
              {
                "version_added": "9",
                "version_removed": "41",
                "notes": "<code>queryCommandEnabled</code> with arguments <code>cut</code>, <code>copy</code> or <code>paste</code> would throw errors unless the script had special privileges."
              }
            ],
            "firefox_android": [
              {
                "version_added": "41"
              },
              {
                "version_added": "9",
                "version_removed": "41",
                "notes": "<code>queryCommandEnabled</code> with arguments <code>cut</code>, <code>copy</code> or <code>paste</code> would throw errors unless the script had special privileges."
              }
            ],
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "queryCommandIndeterm": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandIndeterm",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "queryCommandState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandState",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "queryCommandSupported": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandSupported",
          "support": {
            "chrome": {
              "version_added": "17"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "41"
              },
              {
                "version_added": "9",
                "version_removed": "41",
                "notes": "<code>paste</code> argument incorrectly returned <code>true</code> when the paste feature was available but the calling script had insufficient privileges to actually perform the action."
              }
            ],
            "firefox_android": [
              {
                "version_added": "41"
              },
              {
                "version_added": "9",
                "version_removed": "41",
                "notes": "<code>paste</code> argument incorrectly returned <code>true</code> when the paste feature was available but the calling script had insufficient privileges to actually perform the action."
              }
            ],
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": null
            },
            "opera_android": {
              "version_added": null
            },
            "safari": {
              "version_added": null
            },
            "safari_ios": {
              "version_added": null
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "queryCommandText": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandText",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "version_removed": "14",
              "partial_implementation": true,
              "notes": "This method never did anything and always threw an exception."
            },
            "firefox_android": {
              "version_added": true,
              "version_removed": "14",
              "partial_implementation": true,
              "notes": "This method never did anything and always threw an exception."
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "queryCommandValue": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/queryCommandValue",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "querySelector": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/querySelector",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "10"
            },
            "opera_android": {
              "version_added": "10"
            },
            "safari": {
              "version_added": "3.2"
            },
            "safari_ios": {
              "version_added": "3.2"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "querySelectorAll": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/querySelectorAll",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": "8"
            },
            "opera": {
              "version_added": "10"
            },
            "opera_android": {
              "version_added": "10"
            },
            "safari": {
              "version_added": "3.2"
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "readyState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/readyState",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": {
              "version_added": "4"
            },
            "ie": [
              {
                "version_added": "9",
                "notes": "Internet Explorer 9 and 10 have bugs where the 'interactive' state can be fired too early before the document has finished parsing."
              },
              {
                "version_added": "8",
                "notes": "Only supports 'complete'."
              }
            ],
            "opera": {
              "version_added": "11",
              "notes": "Opera Presto fires 'complete' late after the 'load' event (in an incorrect order as per HTML5 standard specification)."
            },
            "opera_android": {
              "version_added": "11",
              "notes": "Opera Presto fires 'complete' late after the 'load' event (in an incorrect order as per HTML5 standard specification)."
            },
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "referrer": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/referrer",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "releaseCapture": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/releaseCapture",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "releaseEvents": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/releaseEvents",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "routeEvent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/routeEvent",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "scripts": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/scripts",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": {
              "version_added": "9"
            },
            "firefox_android": {
              "version_added": "9"
            },
            "ie": {
              "version_added": "4"
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrollingElement": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/scrollingElement",
          "support": {
            "chrome": {
              "version_added": "44"
            },
            "chrome_android": {
              "version_added": "44"
            },
            "edge": {
              "version_added": true
            },
            "edge_mobile": {
              "version_added": true
            },
            "firefox": [
              {
                "version_added": "48"
              },
              {
                "version_added": "47",
                "version_removed": "48",
                "flags": [
                  {
                    "type": "preference",
                    "name": "dom.document.scrollingElement.enabled"
                  }
                ]
              }
            ],
            "firefox_android": {
              "version_added": true
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "31"
            },
            "opera_android": {
              "version_added": "31"
            },
            "safari": {
              "version_added": "9"
            },
            "safari_ios": {
              "version_added": "9"
            },
            "webview_android": {
              "version_added": "44"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "selectedStyleSheetSet": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/selectedStyleSheetSet",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "styleSheetSets": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/styleSheetSets",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "timeline": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/timeline",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false,
              "notes": "Currently only supported in Firefox Nightly (version 48)."
            },
            "firefox_android": {
              "version_added": false,
              "notes": "Currently only supported in Firefox Nightly (version 48)."
            },
            "ie": {
              "version_added": true
            },
            "opera": {
              "version_added": true
            },
            "opera_android": {
              "version_added": true
            },
            "safari": {
              "version_added": true
            },
            "safari_ios": {
              "version_added": true
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "title": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/title",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "tooltipNode": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/tooltipNode",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": true,
              "notes": "Available only to <a href='https://developer.mozilla.org/docs/Mozilla/Tech/XUL'>XUL documents</a>."
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": false
            },
            "opera_android": {
              "version_added": false
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "undoManager": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/undoManager",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "visibilityState": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/visibilityState",
          "support": {
            "chrome": [
              {
                "version_added": "33"
              },
              {
                "version_added": "13",
                "prefix": "webkit"
              }
            ],
            "chrome_android": {
              "version_added": "33"
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "firefox": [
              {
                "version_added": "18"
              },
              {
                "version_added": "10",
                "version_removed": "52",
                "prefix": "-moz-"
              }
            ],
            "firefox_android": [
              {
                "version_added": "18"
              },
              {
                "version_added": "10",
                "version_removed": "52",
                "prefix": "-moz-"
              }
            ],
            "ie": {
              "version_added": "10"
            },
            "opera": {
              "version_added": "12.1",
              "notes": "Doesn't fire the <code>visibilitychange</code> event when the browser window is minimized, nor when <code>hidden</code> is set to true."
            },
            "opera_android": {
              "version_added": "12.1",
              "notes": "Doesn't fire the <code>visibilitychange</code> event when the browser window is minimized, nor when <code>hidden</code> is set to true."
            },
            "safari": {
              "version_added": "7"
            },
            "safari_ios": {
              "version_added": "7"
            },
            "webview_android": {
              "version_added": "33"
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "prerender": {
          "__compat": {
            "description": "<code>prerender</code> value",
            "support": {
              "chrome": {
                "version_added": true
              },
              "chrome_android": {
                "version_added": true
              },
              "edge": {
                "version_added": null
              },
              "edge_mobile": {
                "version_added": null
              },
              "firefox": {
                "version_added": "49"
              },
              "firefox_android": {
                "version_added": "49"
              },
              "ie": {
                "version_added": null
              },
              "opera": {
                "version_added": null
              },
              "opera_android": {
                "version_added": null
              },
              "safari": {
                "version_added": null
              },
              "safari_ios": {
                "version_added": null
              },
              "webview_android": {
                "version_added": true
              }
            },
            "status": {
              "experimental": false,
              "standard_track": false,
              "deprecated": true
            }
          }
        }
      },
      "vlinkColor": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/vlinkColor",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "wasDiscarded": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/width",
          "support": {
            "chrome": {
              "version_added": "68"
            },
            "chrome_android": {
              "version_added": "68"
            },
            "edge": {
              "version_added": false
            },
            "edge_mobile": {
              "version_added": false
            },
            "firefox": {
              "version_added": false
            },
            "firefox_android": {
              "version_added": false
            },
            "ie": {
              "version_added": false
            },
            "opera": {
              "version_added": "55"
            },
            "opera_android": {
              "version_added": "55"
            },
            "safari": {
              "version_added": false
            },
            "safari_ios": {
              "version_added": false
            },
            "webview_android": {
              "version_added": "68"
            }
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "width": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/width",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": {
              "version_added": false
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": false
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "write": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/write",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "writeln": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/writeln",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "xmlEncoding": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/Document/xmlEncoding",
          "support": {
            "chrome": {
              "version_added": true
            },
            "chrome_android": {
              "version_added": true
            },
            "edge": {
              "version_added": null
            },
            "edge_mobile": {
              "version_added": null
            },
            "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
            },
            "webview_android": {
              "version_added": true
            }
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
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            },
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            },
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    }
  }
}
