BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome49.0.2623ownfunctionfunction SpeechGrammar() { [native code] }
Chrome69.0.3497???
Chrome70.0.3538ownfunctionfunction SpeechGrammar() { [native code] }
Chrome72.0.3626???
Chrome74.0.3729ownfunctionfunction SpeechGrammar() { [native code] }
Chrome85.0.4183???
Chrome86.0.4240ownfunctionfunction SpeechGrammar() { [native code] }
Chrome89.0.4354???
Chrome89.0.4386ownfunctionfunction SpeechGrammar() { [native code] }
Chrome90.0.0???
Chrome90.0.4430ownfunctionfunction SpeechGrammar() { [native code] }
Chrome91.0.4455???
Edge85.0.564???
Edge86.0.622ownfunctionfunction SpeechGrammar() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction SpeechGrammar() { [native code] }
Edge87.0.664???
Edge88.0.670ownfunctionfunction SpeechGrammar() { [native code] }
Edge88.0.705???
Firefox46.8.0???
IE10.0.0???
Safari4.0.0ownfunctionfunction SpeechGrammar() { [native code] }
Safari7.0.0???
Safari13.0.3ownfunctionfunction SpeechGrammar() { [native code] }
Safari13.0.4???
SamsungBrowser13.0.0ownfunctionfunction SpeechGrammar() { [native code] }
SFive80.0.0ownfunctionfunction SpeechGrammar() { [native code] }
TkBot0.1.0???
YandexBot3.0.0ownfunctionfunction SpeechGrammar() { [native code] }

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
length? 49.0.0 86.0.622?? 4.0.0 13.0.0 80.0.0? 3.0.0
prototype? 49.0.0 86.0.622?? 4.0.0 13.0.0 80.0.0? 3.0.0