mdn-browser-compat-data

{ "api": { "Worker": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "nodejs": [ { "version_added": "12.17.0", "partial_implementation": true, "notes": [ "Is a Node <code>EventEmitter</code> instead of DOM <code>EventTarget</code>.", "Worker script environment expects CommonJS modules or ECMAScript modules.", "Must be imported from the <code>worker_threads</code> module." ] }, { "version_added": "11.7.0", "partial_implementation": true, "notes": [ "Is a Node <code>EventEmitter</code> instead of DOM <code>EventTarget</code>.", "Worker script environment expects CommonJS modules.", "Must be imported from the <code>worker_threads</code> module." ] }, { "version_added": "10.5.0", "partial_implementation": true, "notes": [ "Is a Node <code>EventEmitter</code> instead of DOM <code>EventTarget</code>.", "Worker script environment expects CommonJS modules.", "Must be imported from the <code>worker_threads</code> module." ], "flags": [ { "type": "runtime_flag", "name": "--experimental-worker" } ] } ], "opera": { "version_added": "10.6" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "Worker": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/Worker", "description": "<code>Worker()</code> constructor", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "nodejs": { "version_added": "10.5.0", "partial_implementation": true, "notes": "Takes an entirely different options object." }, "opera": { "version_added": "10.6" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "ecmascript_modules": { "__compat": { "description": "Support for ECMAScript modules", "support": { "chrome": { "version_added": "80" }, "chrome_android": { "version_added": "80" }, "edge": { "version_added": "80" }, "firefox": { "version_added": false }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "nodejs": { "version_added": "12.17.0", "partial_implementation": true, "notes": "ECMAScript modules are enabled for files ending with <code>.mjs</code> and for files ending with <code>.js</code> when the nearest parent <code>package.json</code> file contains a top-level field <code>\"type\"</code> with a value of <code>\"module\"</code>." }, "opera": { "version_added": "67" }, "opera_android": { "version_added": "57" }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": "13.0" }, "webview_android": { "version_added": "80" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "mime_checks": { "__compat": { "description": "Strict MIME type checks for worker scripts", "support": { "chrome": { "version_added": null }, "chrome_android": { "version_added": null }, "edge": { "version_added": null }, "firefox": { "version_added": "81" }, "firefox_android": { "version_added": "81" }, "ie": { "version_added": false }, "opera": { "version_added": null }, "opera_android": { "version_added": null }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": null }, "webview_android": { "version_added": null } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "name": { "__compat": { "description": "Constructor <code>name</code> option", "support": { "chrome": { "version_added": "70" }, "chrome_android": { "version_added": "70" }, "edge": { "version_added": "18" }, "firefox": { "version_added": "55" }, "firefox_android": { "version_added": "55" }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": "57" }, "opera_android": { "version_added": "49" }, "safari": { "version_added": false, "notes": "Supported in <a href='https://webkit.org/blog/8406/release-notes-for-safari-technology-preview-64/'>Safari Technology Preview 64</a>" }, "safari_ios": { "version_added": false, "notes": "Supported in <a href='https://webkit.org/blog/8406/release-notes-for-safari-technology-preview-64/'>Safari Technology Preview 64</a>" }, "samsunginternet_android": { "version_added": "10.0" }, "webview_android": { "version_added": false } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "type": { "__compat": { "description": "Constructor <code>type</code> option", "support": { "chrome": { "version_added": "80" }, "chrome_android": { "version_added": "80" }, "edge": { "version_added": "80" }, "firefox": { "version_added": false }, "firefox_android": { "version_added": false }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": "67" }, "opera_android": { "version_added": "57" }, "safari": { "version_added": false }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": "13.0" }, "webview_android": { "version_added": "80" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } }, "message_event": { "__compat": { "description": "<code>message</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/message_event", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "nodejs": { "version_added": "10.5.0", "partial_implementation": true, "notes": "Supports the event, but only via Node <code>EventEmitter</code>." }, "opera": { "version_added": "10.6" }, "opera_android": { "version_added": "11.5" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "messageerror_event": { "__compat": { "description": "<code>messageerror</code> event", "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/messageerror_event", "support": { "chrome": { "version_added": "60" }, "chrome_android": { "version_added": "60" }, "edge": { "version_added": "18" }, "firefox": { "version_added": "57" }, "firefox_android": { "version_added": "57" }, "ie": { "version_added": null }, "nodejs": { "version_added": false }, "opera": { "version_added": "47" }, "opera_android": { "version_added": "47" }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "60" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onmessage": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/onmessage", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "nodejs": { "version_added": false }, "opera": { "version_added": "10.6" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onmessageerror": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/onmessageerror", "support": { "chrome": { "version_added": "60" }, "chrome_android": { "version_added": "60" }, "edge": { "version_added": "18" }, "firefox": { "version_added": "57" }, "firefox_android": { "version_added": "57" }, "ie": { "version_added": false }, "nodejs": { "version_added": false }, "opera": { "version_added": "47" }, "opera_android": { "version_added": "44" }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "60" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "postMessage": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/postMessage", "support": { "chrome": { "version_added": true }, "chrome_android": { "version_added": true }, "edge": { "version_added": "12" }, "firefox": { "version_added": true }, "firefox_android": { "version_added": true }, "ie": { "version_added": "10", "notes": "Internet Explorer does not support <code>Transferable</code> objects." }, "nodejs": { "version_added": "10.5.0" }, "opera": { "version_added": "47" }, "opera_android": { "version_added": "44" }, "safari": { "version_added": true }, "safari_ios": { "version_added": true }, "samsunginternet_android": { "version_added": true }, "webview_android": { "version_added": true } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "terminate": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/Worker/terminate", "support": { "chrome": { "version_added": "4" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.5" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "nodejs": { "version_added": "10.5.0", "notes": "Also takes an optional callback to be executed when the worker has terminated." }, "opera": { "version_added": "10.6" }, "opera_android": { "version_added": "11" }, "safari": { "version_added": "4" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "4" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } } } } }