BrowserVersionOwn?TypeAs String
ALAFISH89.0.4389???
Chrome35.0.2309???
Edge17.17134.0???
Firefox51.0.0???
Firefox83.0.0ownobject[object ReportBody]
Firefox88.0.0???
Firefox89.0.0ownobject[object ReportBody]
FxiOS33.0.0???
IE10.0.0???
Safari4.0.0???

PropertiesALAFISHChromeEdgeFirefoxFxiOSIESafari
constructor??? 83.0.0???
toJSON??? 83.0.0???