BrowserVersionOwn?TypeAs String
ALAFISH89.0.4389???
BingPreview1.0.0???
Chrome28.0.1464???
Edge17.17134.0???
Firefox51.0.0???
FxiOS33.0.0ownobject[object SpeechRecognitionAlternative]
FxiOS33.1.0???
IE10.0.0???
Safari4.0.0???
Safari14.1.0ownobject[object SpeechRecognitionAlternative]
Safari14.1.1???
SamsungBrowser14.0.0???
SFive80.0.0???
ThinkBot0.3.0???

PropertiesALAFISHBingPreviewChromeEdgeFirefoxFxiOSIESafariSamsungBrowserSFiveThinkBot
confidence??????? 14.1.0???
constructor??????? 14.1.0???
transcript??????? 14.1.0???