BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome86.0.4240ownfunctionfunction WebSocketStream() { [native code] }
Chrome87.0.0???
Chrome87.0.4280ownfunctionfunction WebSocketStream() { [native code] }
Chrome88.0.4313???
Chrome88.0.4324ownfunctionfunction WebSocketStream() { [native code] }
Chrome89.0.4354???
Chrome89.0.4386ownfunctionfunction WebSocketStream() { [native code] }
Chrome89.0.4389???
Edge85.0.564???
Firefox46.8.0???
IE10.0.0???
Safari4.0.0???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
length? 86.0.4240????????
prototype? 86.0.4240????????