BrowserVersionOwn?TypeAs String
AppleWebit537.36.0???
BingPreview1.0.0???
Chrome23.0.1271???
Edge84.0.522???
Firefox3.6.12???
FxiOS36.0.0???
IE11.0.0???
Mobile15.0.0???
render2.0.0???
Safari4.0.0???
Safari14.1.1ownfunctionfunction WebKitMediaKeys() { [native code] }
Safari14.1.2???
Safari15.0.0ownfunctionfunction WebKitMediaKeys() { [native code] }
Safari15.1.0???
Safari15.2.0ownfunctionfunction WebKitMediaKeys() { [native code] }
Safari537.36.0???
YandexBot3.0.0???

PropertiesAppleWebitBingPreviewChromeEdgeFirefoxFxiOSIEMobilerenderSafariYandexBot
isTypeSupported????????? 14.0.0?
length????????? 14.0.0?
prototype????????? 14.0.0?