BrowserVersionOwn?TypeAs String
AppleWebit537.36.0???
BingPreview1.0.0???
Chrome23.0.1271???
curl7.64.0???
Edge84.0.522???
Firefox3.6.12???
FxiOS36.0.0???
HeadlessChrome101.0.4950???
IE11.0.0???
Mobile15.0.0???
render2.0.0???
Safari4.0.0???
Safari15.3.0ownfunctionfunction WebKitMediaKeyError() { [native code] }
Safari537.36.0???
YandexBot3.0.0???

PropertiesAppleWebitBingPreviewChromecurlEdgeFirefoxFxiOSHeadlessChromeIEMobilerenderSafariYandexBot
length??????????? 15.3.0?
MEDIA_KEYERR_CLIENT??????????? 15.3.0?
MEDIA_KEYERR_DOMAIN??????????? 15.3.0?
MEDIA_KEYERR_HARDWARECHANGE??????????? 15.3.0?
MEDIA_KEYERR_OUTPUT??????????? 15.3.0?
MEDIA_KEYERR_SERVICE??????????? 15.3.0?
MEDIA_KEYERR_UNKNOWN??????????? 15.3.0?
prototype??????????? 15.3.0?