BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome49.0.2623???
Chrome86.0.4240ownfunctionfunction IDBObservation() { [native code] }
Chrome88.0.4313???
Chrome89.0.4386ownfunctionfunction IDBObservation() { [native code] }
Chrome89.0.4387???
Edge85.0.564???
Firefox68.0.0???
IE10.0.0???
Project1.3.2???
Qwantify1.0.0???
requests2.25.0???
Safari10.1.2???
SamsungBrowser13.0.0???
SFive80.0.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIEProjectQwantifyrequestsSafariSamsungBrowserSFiveYandexBot
length? 86.0.4240??????????
prototype? 86.0.4240??????????