BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome78.0.3904ownfunctionfunction WeakRef() { [native code] }
Chrome79.0.3945???
Chrome84.0.4147ownfunctionfunction WeakRef() { [native code] }
Chrome89.0.4354???
Chrome89.0.4386ownfunctionfunction WeakRef() { [native code] }
Chrome90.0.0???
Chrome90.0.4430ownfunctionfunction WeakRef() { [native code] }
Chrome91.0.4455???
Edge85.0.564???
Edge86.0.622ownfunctionfunction WeakRef() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction WeakRef() { [native code] }
Edge87.0.664???
Edge88.0.670ownfunctionfunction WeakRef() { [native code] }
Edge88.0.705???
Firefox46.8.0???
Firefox51.0.0ownfunctionfunction WeakRef() { [native code] }
Firefox52.0.0???
Firefox79.0.0ownfunctionfunction WeakRef() { [native code] }
IE10.0.0???
Safari4.0.0???
Safari13.0.3ownfunctionfunction WeakRef() { [native code] }
Safari13.0.4???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
length 1.0.0 78.0.0 86.0.622 51.0.0? 13.0.3????
prototype 1.0.0 78.0.0 86.0.622 51.0.0? 13.0.3????