BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome49.0.2623???
Edge85.0.564???
Firefox68.0.0???
IE10.0.0???
requests2.25.0???
Safari10.1.2ownfunctionfunction CSSValueList() { [native code] }
SamsungBrowser13.0.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIErequestsSafariSamsungBrowserYandexBot
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??