BrowserVersionOwn?TypeAs String
AppleWebit537.36.0???
BingPreview1.0.0???
Chrome41.0.2226???
CriOS107.0.0???
Edge84.0.522???
Firefox68.0.0???
FxiOS36.0.0???
Googlebot2.1.0???
IE11.0.0ownobject[object SVGElementInstanceList]
Mobile15.0.0???
render2.0.0???
Safari4.0.0???
SamsungBrowser17.0.0???
YandexBot3.0.0???

PropertiesAppleWebitBingPreviewChromeCriOSEdgeFirefoxFxiOSGooglebotIEMobilerenderSafariSamsungBrowserYandexBot
length?? 99.0.3809???????????
prototype?? 99.0.3809????? 11.0.0?????