BrowserVersionOwn?TypeAs String
Analyzer0.2.0???
BingPreview1.0.0???
Chrome49.0.2623???
Chrome88.0.4324ownobject[object MediaStreamTrackProcessor]
Chrome89.0.4354???
Chrome89.0.4386ownobject[object MediaStreamTrackProcessor]
Chrome89.0.4389???
Chrome90.0.4408ownobject[object MediaStreamTrackProcessor]
Chrome90.0.4414???
Edge85.0.564???
Firefox56.0.0???
IE10.0.0???
Safari4.0.0???
SamsungBrowser13.0.0???
SFive80.0.0???
YandexBot3.0.0???

PropertiesAnalyzerBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveYandexBot
constructor?? 90.0.4408???????
readable?? 90.0.4408???????