BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Edge85.0.564???
Firefox46.8.0???
Firefox51.0.0ownfunctionfunction Directory() { [native code] }
Firefox52.0.0???
Firefox68.0.0ownfunctionfunction Directory() { [native code] }
Firefox88.0.0???
Firefox89.0.0ownfunctionfunction Directory() { [native code] }
Goanna4.1.0???
HeadlessChrome87.0.4272???
IE10.0.0???
Safari4.0.0???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxGoannaHeadlessChromeIESafariSamsungBrowserSFiveTkBotYandexBot
length??? 51.0.0????????
prototype??? 51.0.0????????