{
  "api": {
    "DedicatedWorkerGlobalScope": {
      "__compat": {
        "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope",
        "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dedicated-workers-and-the-dedicatedworkerglobalscope-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
        }
      },
      "cancelAnimationFrame": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/cancelAnimationFrame",
          "spec_url": "https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#animationframeprovider-cancelanimationframe",
          "tags": [
            "web-features:request-animation-frame-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "69"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "99"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "67"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "close": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/close",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-dedicatedworkerglobalscope-close-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": "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
          }
        }
      },
      "message_event": {
        "__compat": {
          "description": "`message` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/message_event",
          "spec_url": [
            "https://html.spec.whatwg.org/multipage/indices.html#event-message",
            "https://html.spec.whatwg.org/multipage/web-messaging.html#handler-messageeventtarget-onmessage"
          ],
          "tags": [
            "web-features:postmessage"
          ],
          "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": "11.5"
            },
            "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
          }
        }
      },
      "messageerror_event": {
        "__compat": {
          "description": "`messageerror` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/messageerror_event",
          "spec_url": [
            "https://html.spec.whatwg.org/multipage/indices.html#event-messageerror",
            "https://html.spec.whatwg.org/multipage/web-messaging.html#handler-messageeventtarget-onmessageerror"
          ],
          "tags": [
            "web-features:messageerror"
          ],
          "support": {
            "chrome": {
              "version_added": "60"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "57"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": {
              "version_added": "47"
            },
            "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
          }
        }
      },
      "name": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/name",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-dedicatedworkerglobalscope-name-dev",
          "tags": [
            "web-features:dedicated-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "70"
            },
            "chrome_android": "mirror",
            "deno": {
              "version_added": "1.0"
            },
            "edge": {
              "version_added": "18"
            },
            "firefox": {
              "version_added": "55"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "12.1"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "postMessage": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/postMessage",
          "spec_url": "https://html.spec.whatwg.org/multipage/workers.html#dom-dedicatedworkerglobalscope-postmessage-dev",
          "tags": [
            "web-features:postmessage"
          ],
          "support": {
            "chrome": {
              "version_added": "4"
            },
            "chrome_android": "mirror",
            "deno": [
              {
                "version_added": "1.14",
                "notes": "The `message` parameter does not support cloning `Blob` values."
              },
              {
                "version_added": "1.12",
                "version_removed": "1.14",
                "partial_implementation": true,
                "notes": [
                  "The `message` parameter does not support cloning `Blob` values.",
                  "The `transfer` parameter does not accept `ArrayBuffer` items. Passing an `ArrayBuffer` results in an error being thrown."
                ]
              },
              {
                "version_added": "1.10",
                "version_removed": "1.12",
                "partial_implementation": true,
                "notes": [
                  "The `message` parameter does not support cloning `SharedArrayBuffer` or `Blob` values.",
                  "The `transfer` parameter is ignored."
                ]
              },
              {
                "version_added": "1.0",
                "version_removed": "1.10",
                "partial_implementation": true,
                "notes": [
                  "Data passed in the `message` parameter is serialized with JSON, not the structured clone algorithm.",
                  "The `transfer` parameter is ignored."
                ]
              }
            ],
            "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
          }
        }
      },
      "requestAnimationFrame": {
        "__compat": {
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/requestAnimationFrame",
          "spec_url": "https://html.spec.whatwg.org/multipage/imagebitmap-and-animations.html#dom-animationframeprovider-requestanimationframe",
          "tags": [
            "web-features:request-animation-frame-workers"
          ],
          "support": {
            "chrome": {
              "version_added": "69",
              "notes": "Not supported in nested Web Workers. See [bug 41483010](https://crbug.com/41483010)."
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "99"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "16.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": {
              "version_added": "67"
            },
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      },
      "rtctransform_event": {
        "__compat": {
          "description": "`rtctransform` event",
          "mdn_url": "https://developer.mozilla.org/docs/Web/API/DedicatedWorkerGlobalScope/rtctransform_event",
          "spec_url": "https://w3c.github.io/webrtc-encoded-transform/#dom-dedicatedworkerglobalscope-onrtctransform",
          "tags": [
            "web-features:webrtc-encoded-transform"
          ],
          "support": {
            "chrome": {
              "version_added": "141"
            },
            "chrome_android": "mirror",
            "edge": "mirror",
            "firefox": {
              "version_added": "117"
            },
            "firefox_android": "mirror",
            "oculus": "mirror",
            "opera": "mirror",
            "opera_android": "mirror",
            "safari": {
              "version_added": "15.4"
            },
            "safari_ios": "mirror",
            "samsunginternet_android": "mirror",
            "webview_android": "mirror",
            "webview_ios": "mirror"
          },
          "status": {
            "experimental": false,
            "standard_track": true,
            "deprecated": false
          }
        }
      }
    }
  }
}