BrowserVersionOwn?TypeAs String
Chrome64.0.3253ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3239ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3231ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3214???
Chrome62.0.3202ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome62.0.3176ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome62.0.3172ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome62.0.3166???
Chrome61.0.3163ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome61.0.3159???
Chrome61.0.3156ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome61.0.3150???
Chrome61.0.3149ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome61.0.3147ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome61.0.3126???
Chrome60.0.3112ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome59.0.3071ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome58.0.3050ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome58.0.3029ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome57.0.2987???
Chrome56.0.2966???
Chrome56.0.2924ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome55.0.2883???
Chrome53.0.2785???
Chrome52.0.2743ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome51.0.2704ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome50.0.2661ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome49.0.2623ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome48.0.2564ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome47.0.2526???
Chrome46.0.2490???
Chrome45.0.2454???
Chrome44.0.2403ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome43.0.2357???
Chrome42.0.2311???
Chrome41.0.2272ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome40.0.2214???
Chrome39.0.2171???
Chrome38.0.2125???
Chrome38.0.1025???
Chrome37.0.2062???
Chrome36.0.1985???
Chrome35.0.1916???
Chrome34.0.1847???
Chrome29.0.1547???
Chrome25.0.1364???
Chrome24.0.1312???
Chrome19.0.1084???
Chrome15.0.874???
Chromium61.0.3163???
Chromium60.0.3112???
CriOS59.0.3071???
Edge15.15063.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge14.14393.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge12.246.0???
Firefox58.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox57.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox56.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox55.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox54.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox53.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox52.0.0ownobject[object CSSSupportsRule]
Firefox51.0.0ownobject[object CSSSupportsRule]
Firefox50.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox49.0.0???
Firefox45.0.0???
Firefox44.0.0???
Firefox35.0.0inheritedobject[object CSSSupportsRule]
Firefox33.0.0???
Firefox30.0.0inheritedobject[object CSSSupportsRule]
Firefox29.0.0inheritedobject[object CSSSupportsRule]
Firefox28.0.0inheritedobject[object CSSSupportsRule]
Firefox27.0.0inheritedobject[object CSSSupportsRule]
Firefox24.0.0inheritedobject[object CSSSupportsRule]
Firefox18.0.0???
Firefox6.0.0???
Firefox5.0.1???
Googlebot2.1.0ownfunctionfunction CSSSupportsRule() { [native code] }
IE11.0.0???
IE10.0.0???
IE9.0.0???
Maxthon5.0.4???
Safari11.0.1???
Safari11.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Safari10.1.2ownfunctionfunction CSSSupportsRule() { [native code] }
Safari10.1.1ownfunctionfunction CSSSupportsRule() { [native code] }
Safari10.1.0???
Safari10.0.3???
Safari10.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Safari9.1.3???
Safari8.0.8???
Safari7.1.8???
Safari6.0.5???
Safari5.1.7???
Safari5.0.5???
Safari4.0.0???
SamsungBrowser6.2.0???
SamsungBrowser4.0.0???

PropertiesChromeChromiumCriOSEdgeFirefoxGooglebotIEMaxthonSafariSamsungBrowser
CHARSET_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
COUNTER_STYLE_RULE???? 50.0.0?????
FONT_FACE_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
FONT_FEATURE_VALUES_RULE???? 50.0.0?????
IMPORT_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
KEYFRAMES_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
KEYFRAME_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
length 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
MEDIA_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
NAMESPACE_RULE 48.0.2564??? 50.0.0??? 10.0.0?
PAGE_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
prototype 41.0.2272?? 14.14393.0 24.0.0 2.1.0?? 10.0.0?
STYLE_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
SUPPORTS_RULE 41.0.2272??? 50.0.0 2.1.0?? 10.0.0?
toString 41.0.2272???? 2.1.0????
UNKNOWN_RULE 41.0.2272???? 2.1.0?? 10.0.0?
VIEWPORT_RULE 60.0.3112?????????
WEBKIT_FILTER_RULE 41.0.2272???? 2.1.0????
WEBKIT_KEYFRAMES_RULE 41.0.2272???? 2.1.0?? 10.0.0?
WEBKIT_KEYFRAME_RULE 41.0.2272???? 2.1.0?? 10.0.0?
WEBKIT_REGION_RULE???????? 10.0.0?