{
  "api": {
    "WorkerGlobalScope": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope",
        "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#the-workerglobalscope-common-interface",
        "tags": [
          "web-features:dedicated-workers"
        ],
        "support": {
          "chrome": {
            "version_added": "4"
          },
          "chrome_android": "mirror",
          "deno": {
            "version_added": "1.0"
          },
          "edge": {
            "version_added": "12"
          },
          "firefox": {
            "version_added": "3.5"
          },
          "firefox_android": "mirror",
          "ie": {
            "version_added": "10"
          },
          "oculus": "mirror",
          "opera": {
            "version_added": "10.6"
          },
          "opera_android": {
            "version_added": "11"
          },
          "safari": {
            "version_added": "4"
          },
          "safari_ios": {
            "version_added": "5"
          },
          "samsunginternet_android": "mirror",
          "webview_android": "mirror",
          "webview_ios": "mirror"
        },
        "status": {
          "experimental": false,
          "standard_track": true,
          "deprecated": false
        }
      },
      "dump": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/dump",
          "support": {
            "chrome": {
              "version_added": false
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "3.5",
              "partial_implementation": true,
              "notes": "This method exists but has no effect."
            },
            "firefox_android": "mirror",
            "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": false,
            "standard_track": false,
            "deprecated": true
          }
        }
      },
      "error_event": {
        "__compat": {
          "description": "`error` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/error_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-onerror",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "fonts": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/fonts",
          "spec_url": "https://drafts.csswg.org/css-font-loading/#dom-fontfacesource-fonts",
          "tags": [
            "web-features:font-loading"
          ],
          "support": {
            "chrome": {
              "version_added": "69"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "105"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "importScripts": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/importScripts",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-workerglobalscope-importscripts-dev",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "4"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "10.6"
            },
            "opera_android": {
              "version_added": "11"
            },
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        },
        "enforces_trusted_types": {
          "__compat": {
            "description": "`urls` parameter requires `TrustedScriptURL` instances when trusted types are enforced",
            "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#the-workerglobalscope-common-interface:dom-workerglobalscope-importscripts",
            "support": {
              "chrome": {
                "version_added": "138"
              },
              "chrome_android": "mirror",
              "edge": "mirror",
              "firefox": {
                "version_added": "preview"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "26"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        },
        "mime_checks": {
          "__compat": {
            "description": "Strict MIME type checks for `importScripts()`",
            "tags": [
              "web-features:dedicated-workers"
            ],
            "support": {
              "chrome": {
                "version_added": "71"
              },
              "chrome_android": "mirror",
              "deno": {
                "version_added": false
              },
              "edge": "mirror",
              "firefox": {
                "version_added": "67"
              },
              "firefox_android": "mirror",
              "oculus": "mirror",
              "opera": "mirror",
              "opera_android": "mirror",
              "safari": {
                "version_added": "16"
              },
              "safari_ios": "mirror",
              "samsunginternet_android": "mirror",
              "webview_android": "mirror",
              "webview_ios": "mirror"
            },
            "status": {
              "experimental": false,
              "standard_track": true,
              "deprecated": false
            }
          }
        }
      },
      "languagechange_event": {
        "__compat": {
          "description": "`languagechange` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/languagechange_event",
          "spec_url": [
            "https://html.spec.whatwg.org/multipage/indices.html#event-languagechange",
            "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-onlanguagechange"
          ],
          "tags": [
            "web-features:language"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "74"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": false
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "location": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/location",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-workerglobalscope-location-dev",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.7"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "navigator": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/navigator",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-worker-navigator-dev",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.8"
            },
            "edge": {
              "version_added": "17"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": "mirror",
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "offline_event": {
        "__compat": {
          "description": "`offline` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/offline_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-onoffline",
          "tags": [
            "web-features:online"
          ],
          "support": {
            "chrome": {
              "version_added": false,
              "impl_url": "https://crbug.com/40155587"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "29"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "online_event": {
        "__compat": {
          "description": "`online` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/online_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-ononline",
          "tags": [
            "web-features:online"
          ],
          "support": {
            "chrome": {
              "version_added": false,
              "impl_url": "https://crbug.com/40155587"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": false
            },
            "edge": "mirror",
            "firefox": {
              "version_added": "29"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "8"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "rejectionhandled_event": {
        "__compat": {
          "description": "`rejectionhandled` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/rejectionhandled_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-onrejectionhandled",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "69"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "securitypolicyviolation_event": {
        "__compat": {
          "description": "`securitypolicyviolation` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/securitypolicyviolation_event",
          "spec_url": "https://w3c.github.io/webappsec-csp/#eventdef-globaleventhandlers-securitypolicyviolation",
          "tags": [
            "web-features:csp"
          ],
          "support": {
            "chrome": {
              "version_added": "41"
            },
            "chrome_android": "mirror",
            "edge": {
              "version_added": "15"
            },
            "firefox": {
              "version_added": "63"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "10"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "self": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/self",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-workerglobalscope-self-dev",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "12"
            },
            "firefox": {
              "version_added": "3.5"
            },
            "firefox_android": {
              "version_added": "34"
            },
            "ie": {
              "version_added": "10"
            },
            "oculus": "mirror",
            "opera": {
              "version_added": "11.5"
            },
            "opera_android": "mirror",
            "safari": {
              "version_added": "4"
            },
            "safari_ios": {
              "version_added": "5"
            },
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "unhandledrejection_event": {
        "__compat": {
          "description": "`unhandledrejection` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/WorkerGlobalScope/unhandledrejection_event",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#handler-workerglobalscope-onunhandledrejection",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "49"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "69"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "11"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}