BrowserVersionOwn?TypeAs String
Chrome86.0.4240ownfunctionfunction TextTrackCue() { [native code] }
Chrome88.0.4291???
Chrome88.0.4292ownfunctionfunction TextTrackCue() { [native code] }
Edge86.0.622ownfunctionfunction TextTrackCue() { [native code] }
Firefox78.0.0???
Firefox79.0.0ownfunctionfunction TextTrackCue() { [native code] }
Safari10.1.2ownfunctionfunction TextTrackCue() { [native code] }

PropertiesChromeEdgeFirefoxSafari
length 86.0.4240 86.0.622 79.0.0 10.0.0
prototype 86.0.4240 86.0.622 79.0.0 10.0.0