BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome68.0.3440ownfunctionfunction MediaCapabilitiesInfo() { [native code] }
Chrome69.0.3497???
Chrome70.0.3538ownfunctionfunction MediaCapabilitiesInfo() { [native code] }
Chrome72.0.3626???
Edge85.0.564???
Firefox46.8.0???
Firefox68.0.0ownfunctionfunction MediaCapabilitiesInfo() { [native code] }
Firefox88.0.0???
Firefox89.0.0ownfunctionfunction MediaCapabilitiesInfo() { [native code] }
IE10.0.0???
Safari4.0.0???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
length? 68.0.3440? 68.0.0??????
prototype? 68.0.3440? 68.0.0??????