mdn-browser-compat-data

{ "api": { "WindowEventHandlers": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers", "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": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "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 } }, "onafterprint": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onafterprint", "support": { "chrome": { "version_added": "63" }, "chrome_android": { "version_added": "63" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": { "version_added": null }, "ie": { "version_added": true }, "opera": { "version_added": "50" }, "opera_android": { "version_added": "46" }, "safari": { "version_added": "13" }, "safari_ios": { "version_added": "13" }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "63" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onbeforeprint": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onbeforeprint", "support": { "chrome": { "version_added": "63" }, "chrome_android": { "version_added": "63" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "6" }, "firefox_android": { "version_added": null }, "ie": { "version_added": true }, "opera": { "version_added": "50" }, "opera_android": { "version_added": "46" }, "safari": { "version_added": "13" }, "safari_ios": { "version_added": "13" }, "samsunginternet_android": { "version_added": "8.0" }, "webview_android": { "version_added": "63" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onbeforeunload": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onbeforeunload", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "1" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "4" }, "opera": { "version_added": "12" }, "opera_android": { "version_added": "12" }, "safari": { "version_added": "3" }, "safari_ios": { "version_added": "1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "1" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } }, "custom_text_support": { "__compat": { "description": "Custom text support", "support": { "chrome": { "version_added": true, "version_removed": "51" }, "chrome_android": { "version_added": true, "version_removed": "51" }, "edge": { "version_added": false }, "firefox": { "version_added": true, "version_removed": "44" }, "firefox_android": { "version_added": true, "version_removed": "44" }, "ie": { "version_added": true }, "opera": { "version_added": true, "version_removed": "38" }, "opera_android": { "version_added": true, "version_removed": "41" }, "safari": { "version_added": true, "version_removed": "9" }, "safari_ios": { "version_added": false }, "samsunginternet_android": { "version_added": true, "version_removed": "5.0" }, "webview_android": { "version_added": true, "version_removed": "51" } }, "status": { "experimental": false, "standard_track": false, "deprecated": true } } } }, "onhashchange": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onhashchange", "support": { "chrome": { "version_added": "5" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "3.6" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "8" }, "opera": { "version_added": "10" }, "opera_android": { "version_added": "10.1" }, "safari": { "version_added": "5" }, "safari_ios": { "version_added": "5" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onlanguagechange": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onlanguagechange", "support": { "chrome": { "version_added": "37" }, "chrome_android": { "version_added": "37" }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": "32" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": false }, "opera": { "version_added": "24" }, "opera_android": { "version_added": "24" }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "4.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": true, "standard_track": true, "deprecated": false } } }, "onmessage": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onmessage", "support": { "chrome": { "version_added": "60" }, "chrome_android": { "version_added": "60" }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": null }, "firefox_android": { "version_added": null }, "ie": { "version_added": null }, "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 } } }, "onmessageerror": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onmessageerror", "support": { "chrome": { "version_added": "60" }, "chrome_android": { "version_added": "60" }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": "57" }, "firefox_android": { "version_added": "57" }, "ie": { "version_added": null }, "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 } }, "worker_support": { "__compat": { "description": "Available in workers", "support": { "chrome": { "version_added": "60" }, "chrome_android": { "version_added": "60" }, "edge": { "version_added": "≤79" }, "firefox": { "version_added": "57" }, "firefox_android": { "version_added": "57" }, "ie": { "version_added": null }, "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 } } } }, "onpopstate": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onpopstate", "support": { "chrome": { "version_added": "5" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "12" }, "firefox": { "version_added": "4" }, "firefox_android": { "version_added": "4" }, "ie": { "version_added": "10" }, "opera": { "version_added": "11.5" }, "opera_android": { "version_added": "11.5" }, "safari": { "version_added": "6" }, "safari_ios": { "version_added": "5.1" }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onrejectionhandled": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onrejectionhandled", "support": { "chrome": { "version_added": "49" }, "chrome_android": { "version_added": "49" }, "edge": { "version_added": "≤79" }, "firefox": [ { "version_added": "69" }, { "version_added": "68", "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ] }, { "version_added": "55", "partial_implementation": true, "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ], "notes": "This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 and enabled by default in Firefox 69." } ], "firefox_android": [ { "version_added": "68", "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ] }, { "version_added": "55", "partial_implementation": true, "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ], "notes": "This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 but not enabled by default." } ], "ie": { "version_added": false }, "opera": { "version_added": "36" }, "opera_android": { "version_added": false }, "safari": { "version_added": "11" }, "safari_ios": { "version_added": "11.3" }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "49" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onstorage": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onstorage", "support": { "chrome": { "version_added": "1" }, "chrome_android": { "version_added": "18" }, "edge": { "version_added": "≤18" }, "firefox": { "version_added": "45" }, "firefox_android": { "version_added": "45" }, "ie": { "version_added": null }, "opera": { "version_added": "15" }, "opera_android": { "version_added": "14" }, "safari": { "version_added": null }, "safari_ios": { "version_added": null }, "samsunginternet_android": { "version_added": "1.0" }, "webview_android": { "version_added": "≤37" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onunhandledrejection": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onunhandledrejection", "support": { "chrome": { "version_added": "49" }, "chrome_android": { "version_added": "49" }, "edge": { "version_added": "≤79" }, "firefox": [ { "version_added": "69" }, { "version_added": "68", "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ] }, { "version_added": "55", "partial_implementation": true, "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ], "notes": "This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 and enabled by default in Firefox 69." } ], "firefox_android": [ { "version_added": "68", "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ] }, { "version_added": "55", "partial_implementation": true, "flags": [ { "type": "preference", "name": "dom.promise_rejection_events.enabled", "value_to_set": "true" } ], "notes": "This event handler was added in Firefox 55 but was disabled since it wasn't fully implemented. It was fully implemented in Firefox 68 but not enabled by default." } ], "ie": { "version_added": false }, "opera": { "version_added": "36" }, "opera_android": { "version_added": false }, "safari": { "version_added": "11" }, "safari_ios": { "version_added": "11.3" }, "samsunginternet_android": { "version_added": "5.0" }, "webview_android": { "version_added": "49" } }, "status": { "experimental": false, "standard_track": true, "deprecated": false } } }, "onunload": { "__compat": { "mdn_url": "https://developer.mozilla.org/docs/Web/API/WindowEventHandlers/onunload", "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": true }, "opera": { "version_added": true }, "opera_android": { "version_added": true }, "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 } } } } } }