{
  "api": {
    "HTMLIFrameElement": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement",
        "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#htmliframeelement",
        "tags": [
          "web-features:iframe"
        ],
        "support": {
          "chrome": {
            "version_added": "1"
          },
          "chrome_android": "mirror",
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "1"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "5.5"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "≤12.1"
          },
          "opera_android": {
            "version_added": "≤12.1"
          },
          "safari": {
            "version_added": "3"
          },
          "safari_ios": {
            "version_added": "1"
          },
          "samsunginternet_android": "mirror",
          "webview_android": {
            "version_added": "≤37"
          },
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "adAuctionHeaders": {
        "__compat": {
          "spec_url": "https://wicg.github.io/turtledove/#dom-htmliframeelement-adauctionheaders",
          "support": {
            "chrome": {
              "version_added": "122"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "align": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-align",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "allow": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/allow",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-allow",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "60"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "74"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "allowFullscreen": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/allowFullscreen",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-allowfullscreen",
          "tags": [
            "web-features:fullscreen"
          ],
          "support": {
            "chrome": {
              "version_added": "38"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": [
              {
                "version_added": "22"
              },
              {
                "alternative_name": "mozAllowFullScreen",
                "version_added": "9",
                "version_removed": "18"
              }
            ],
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10.1"
            },
            "safari_ios": {
              "version_added": "12",
              "partial_implementation": true,
              "notes": [
                "Only available on iPad, not on iPhone.",
                "Shows an overlay button which can not be disabled. Swiping down exits fullscreen mode, making it unsuitable for some use cases like games."
              ]
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "allowPaymentRequest": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/allowPaymentRequest",
          "support": {
            "chrome": {
              "version_added": "60"
            },
            "chrome_android": {
              "version_added": "57"
            },
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "56",
              "version_removed": "83"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": false
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "browsingTopics": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/browsingTopics",
          "support": {
            "chrome": {
              "version_added": "115"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": false,
            "deprecated": false
          }
        }
      },
      "contentDocument": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/contentDocument",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-contentdocument",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "8"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "contentWindow": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/contentWindow",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-contentwindow",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "8"
            },
            "opera_android": {
              "version_added": "10.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "credentialless": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/credentialless",
          "spec_url": "https://wicg.github.io/anonymous-iframe/#dom-htmliframeelement-credentialless",
          "tags": [
            "web-features:iframe-credentialless"
          ],
          "support": {
            "chrome": {
              "version_added": "110"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "csp": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/csp",
          "spec_url": "https://w3c.github.io/webappsec-cspee/#ref-for-dom-htmliframeelement-csp",
          "tags": [
            "web-features:csp"
          ],
          "support": {
            "chrome": {
              "version_added": "61"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "featurePolicy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/featurePolicy",
          "support": {
            "chrome": {
              "version_added": "74"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "69",
              "flags": [
                {
                  "type": "preference",
                  "name": "dom.security.featurePolicy.webidl.enabled",
                  "value_to_set": "true"
                }
              ]
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "frameBorder": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-frameborder",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "getSVGDocument": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/getSVGDocument",
          "spec_url": "https://html.spec.whatwg.org/multipage/embedded-content-other.html#dom-media-getsvgdocument-dev",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "9"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "3"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "height": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/height",
          "spec_url": "https://html.spec.whatwg.org/multipage/embedded-content-other.html#dom-dim-height",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "loading": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/loading",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-loading",
          "tags": [
            "web-features:loading-lazy"
          ],
          "support": {
            "chrome": {
              "version_added": "77"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "121"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "60"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "longDesc": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-longdesc",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "6"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "marginHeight": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-marginheight",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "marginWidth": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-marginwidth",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/name",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-name",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "privateToken": {
        "__compat": {
          "spec_url": "https://wicg.github.io/trust-token-api/#dom-htmliframeelement-privatetoken",
          "support": {
            "chrome": {
              "version_added": "117"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "referrerPolicy": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/referrerPolicy",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-referrerpolicy",
          "tags": [
            "web-features:referrer-policy"
          ],
          "support": {
            "chrome": [
              {
                "version_added": "52"
              },
              {
                "alternative_name": "referrerpolicy",
                "version_added": "51",
                "version_removed": "52"
              }
            ],
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "50"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "14"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "no-referrer-when-downgrade": {
          "__compat": {
            "description": "no-referrer-when-downgrade",
            "tags": [
              "web-features:referrer-policy"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "61",
                "version_removed": "92"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "origin-when-cross-origin": {
          "__compat": {
            "description": "origin-when-cross-origin",
            "tags": [
              "web-features:referrer-policy"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "61",
                "version_removed": "92"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "unsafe-url": {
          "__compat": {
            "description": "unsafe-url",
            "tags": [
              "web-features:referrer-policy"
            ],
            "support": {
              "chrome": {
                "version_added": "52"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "61",
                "version_removed": "92"
              },
              "firefox_android": "mirror",
              "ie": {
                "version_added": false
              },
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "14"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "sandbox": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/sandbox",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-sandbox",
          "tags": [
            "web-features:iframe-sandbox"
          ],
          "support": {
            "chrome": {
              "version_added": "5",
              "notes": "Before Chrome 50, this property returned the deprecated child `DOMSettableTokenList` instead of `DOMTokenList`."
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "17",
              "notes": "Previously, the type of `sandbox` was a `DOMString` instead of a `DOMSettableTokenList`. This has been fixed with Firefox 29. Other browsers may still implement the property as `DOMString` since it was a late change in the specification."
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "5"
            },
            "safari_ios": {
              "version_added": "4"
            },
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "≤37",
              "notes": "Before WebView 50, this property returned the deprecated child `DOMSettableTokenList` instead of `DOMTokenList`."
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "scrolling": {
        "__compat": {
          "spec_url": "https://html.spec.whatwg.org/multipage/obsolete.html#dom-iframe-scrolling",
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": true
          }
        }
      },
      "sharedStorageWritable": {
        "__compat": {
          "spec_url": "https://wicg.github.io/shared-storage/#ref-for-dom-htmlsharedstoragewritableelementutils-sharedstoragewritable",
          "tags": [
            "web-features:shared-storage"
          ],
          "support": {
            "chrome": {
              "version_added": "124"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": false
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": true,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "src": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/src",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-src",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "srcdoc": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/srcdoc",
          "spec_url": "https://html.spec.whatwg.org/multipage/iframe-embed-object.html#dom-iframe-srcdoc",
          "tags": [
            "web-features:iframe-srcdoc"
          ],
          "support": {
            "chrome": {
              "version_added": "20"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "25"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": false
            },
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "6"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "width": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/HTMLIFrameElement/width",
          "spec_url": "https://html.spec.whatwg.org/multipage/embedded-content-other.html#dom-dim-width",
          "tags": [
            "web-features:iframe"
          ],
          "support": {
            "chrome": {
              "version_added": "1"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "1"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "5.5"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "≤12.1"
            },
            "opera_android": {
              "version_added": "≤12.1"
            },
            "safari": {
              "version_added": "3"
            },
            "safari_ios": {
              "version_added": "1"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}