{
  "api": {
    "ElementInternals": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals",
        "spec_url": "https://html.spec.whatwg.org/multipage/custom-elements.html#the-elementinternals-interface",
        "tags": [
          "web-features:form-associated-custom-elements"
        ],
        "support": {
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            "version_added": "77"
          },
          "chrome_android": "mirror",
          "edge": "mirror",
          "firefox": {
            "version_added": "93"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": false
          },
          "oculus": "mirror",
          "opera": "mirror",
          "opera_android": "mirror",
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            "impl_url": "https://webkit.org/b/197960"
          },
          "safari_ios": "mirror",
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "ariaActiveDescendantElement": {
        "__compat": {
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          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaAtomic": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaAtomic",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariaatomic",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "119"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaAutoComplete": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaAutoComplete",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariaautocomplete",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": "81"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "119"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaBrailleLabel": {
        "__compat": {
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariabraillelabel",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "107"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "125"
            },
            "firefox_android": "mirror",
            "ie": {
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            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaBrailleRoleDescription": {
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          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariabrailleroledescription",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "107"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "125"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
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            "safari": {
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            },
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            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaBusy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaBusy",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariabusy",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": "119"
            },
            "firefox_android": "mirror",
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            },
            "oculus": "mirror",
            "opera": "mirror",
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            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaChecked": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaChecked",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariachecked",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": "81"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
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            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaColCount": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaColCount",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacolcount",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": "81"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
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              "version_added": "119"
            },
            "firefox_android": "mirror",
            "ie": {
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            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaColIndex": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaColIndex",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacolindex",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
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            "firefox": {
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            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaColIndexText": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaColIndexText",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacolindextext",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "128"
            },
            "chrome_android": "mirror",
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            },
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            },
            "oculus": "mirror",
            "opera": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaColSpan": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaColSpan",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacolspan",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
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            },
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            },
            "oculus": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaControlsElements": {
        "__compat": {
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacontrolselements",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
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            },
            "oculus": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaCurrent": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaCurrent",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariacurrent",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": "119"
            },
            "firefox_android": "mirror",
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              "version_added": false
            },
            "oculus": "mirror",
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            },
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            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaDescribedByElements": {
        "__compat": {
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariadescribedbyelements",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": false
            },
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            },
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            },
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          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaDescription": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaDescription",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariadescription",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": "83"
            },
            "chrome_android": "mirror",
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            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
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            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaDetailsElements": {
        "__compat": {
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariadetailselements",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
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            },
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            },
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            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaDisabled": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaDisabled",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariadisabled",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
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            },
            "firefox_android": "mirror",
            "ie": {
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            },
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            },
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaErrorMessageElements": {
        "__compat": {
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariaerrormessageelements",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
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            },
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            },
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          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaExpanded": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaExpanded",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariaexpanded",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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            },
            "chrome_android": "mirror",
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            },
            "firefox_android": "mirror",
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            },
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            },
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          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaFlowToElements": {
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          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariaflowtoelements",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
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            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
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            },
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            },
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            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaHasPopup": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/ElementInternals/ariaHasPopup",
          "spec_url": "https://w3c.github.io/aria/#dom-ariamixin-ariahaspopup",
          "tags": [
            "web-features:aria-attribute-reflection"
          ],
          "support": {
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              "version_added": "81"
            },
            "chrome_android": "mirror",
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            },
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            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
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            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "ariaHidden": {
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