BrowserVersionOwn?TypeAs String
BingPreview1.0.0ownobject[object JSON]
Chrome27.0.1500???
Chrome38.0.2125ownobject[object JSON]
Chrome85.0.4183???
Chrome86.0.4240ownobject[object JSON]
Edge85.0.564ownobject[object JSON]
Firefox51.0.0ownobject[object JSON]
Firefox68.0.0???
Firefox70.0.0ownobject[object JSON]
Firefox88.0.0???
IE10.0.0ownobject[object JSON]
Safari4.0.0ownobject[object JSON]
Safari14.2.0???
SamsungBrowser13.0.0ownobject[object JSON]
SFive80.0.0ownobject[object JSON]
TkBot0.1.0???
YandexBot3.0.0ownobject[object JSON]

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
parse 1.0.0 38.0.0 17.0.0 51.0.0 10.0.0 4.0.0 13.0.0 80.0.0? 3.0.0
stringify 1.0.0 38.0.0 17.0.0 51.0.0 10.0.0 4.0.0 13.0.0 80.0.0? 3.0.0
toSource??? 56.0.0??????