BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome49.0.2623???
Edge85.0.564???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2ownfunctionfunction CSSValue() { [native code] }
SamsungBrowser13.0.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserYandexBot
CSS_CUSTOM????? 10.0.0??
CSS_INHERIT????? 10.0.0??
CSS_PRIMITIVE_VALUE????? 10.0.0??
CSS_VALUE_LIST????? 10.0.0??
length????? 10.0.0??
prototype????? 10.0.0??