BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2ownfunctionfunction WebKitMediaKeyError() { [native code] }

PropertiesChromeEdgeFirefoxIESafari
length???? 10.0.0
MEDIA_KEYERR_CLIENT???? 10.0.0
MEDIA_KEYERR_DOMAIN???? 10.0.0
MEDIA_KEYERR_HARDWARECHANGE???? 10.0.0
MEDIA_KEYERR_OUTPUT???? 10.0.0
MEDIA_KEYERR_SERVICE???? 10.0.0
MEDIA_KEYERR_UNKNOWN???? 10.0.0
prototype???? 10.0.0