BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Chrome86.0.4240ownobject[object SpeechSynthesis]
Chrome88.0.4301???
Edge86.0.622ownobject[object SpeechSynthesis]
Edge87.0.651???
Edge87.0.658ownobject[object SpeechSynthesis]
Firefox68.0.0???
Firefox79.0.0ownobject[object SpeechSynthesis]
Firefox81.0.0ownfunctionfunction SpeechSynthesis() { [native code] }
Firefox82.0.0ownobject[object SpeechSynthesis]
IE10.0.0???
Safari10.1.2ownobject[object SpeechSynthesis]

PropertiesChromeEdgeFirefoxIESafari
addEventListener 86.0.4240 86.0.622 79.0.0??
cancel 86.0.4240 86.0.622 79.0.0? 10.0.0
dispatchEvent 86.0.4240 86.0.622 79.0.0??
getVoices 86.0.4240 86.0.622 79.0.0? 10.0.0
length?? 79.0.0??
onvoiceschanged 86.0.4240 86.0.622 79.0.0??
pause 86.0.4240 86.0.622 79.0.0? 10.0.0
paused 86.0.4240 86.0.622 79.0.0? 10.0.0
pending 86.0.4240 86.0.622 79.0.0? 10.0.0
prototype?? 79.0.0??
removeEventListener 86.0.4240 86.0.622 79.0.0??
resume 86.0.4240 86.0.622 79.0.0? 10.0.0
speak 86.0.4240 86.0.622 79.0.0? 10.0.0
speaking 86.0.4240 86.0.622 79.0.0? 10.0.0