BrowserVersionOwn?TypeAs String
Chrome70.0.3522ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome70.0.3520ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome70.0.3519???
Chrome70.0.3509???
Chrome69.0.3497???
Chrome69.0.3494ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome69.0.3481???
Chrome69.0.3472ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome69.0.3466ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome69.0.3457ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome69.0.3449???
Chrome68.0.3440ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome68.0.3434???
Chrome68.0.3428???
Chrome68.0.3423???
Chrome68.0.3409???
Chrome68.0.3400ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome68.0.3398???
Chrome67.0.3500???
Chrome67.0.3396ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome67.0.3394???
Chrome67.0.3386???
Chrome66.0.3359ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome66.0.3336???
Chrome65.0.3325ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome65.0.3294ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome64.0.3350ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome64.0.3282ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome64.0.3253ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3239ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3231ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome63.0.3214???
Chrome63.0.3205???
Chrome62.0.3202ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome62.0.3176ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome62.0.3175???
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] }
Chrome58.0.3300ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome58.0.3050ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome58.0.3029ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome57.0.2987???
Chrome56.0.2924ownfunctionfunction CSSSupportsRule() { [native code] }
Chrome55.0.2883???
Chrome54.0.2840ownfunctionfunction CSSSupportsRule() { [native code] }
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???
Chrome38.0.2125???
Chrome37.0.2062???
Chrome36.0.1985???
Chrome29.0.1547???
Chrome27.0.1453???
Chrome25.0.1364???
Chrome24.0.1312???
Chrome19.0.1084???
Chrome15.0.874???
Chromium68.0.3440???
Chromium65.0.3325ownfunctionfunction CSSSupportsRule() { [native code] }
Chromium63.0.3239???
Chromium62.0.3202???
Chromium61.0.3163???
Chromium60.0.3112???
Chromium48.0.2564???
Chromium37.0.2062???
CriOS66.0.3359ownfunctionfunction CSSSupportsRule() { [native code] }
CriOS65.0.3325ownfunctionfunction CSSSupportsRule() { [native code] }
CriOS64.0.3282ownfunctionfunction CSSSupportsRule() { [native code] }
CriOS62.0.3202ownfunctionfunction CSSSupportsRule() { [native code] }
Edge17.17134.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge16.16299.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge15.15063.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge14.14393.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge13.10586.0ownfunctionfunction CSSSupportsRule() { [native code] }
Edge12.10136.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox63.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox62.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox60.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox59.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
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] }
Firefox44.0.0???
Firefox38.0.0ownobject[object CSSSupportsRule]
Firefox35.0.0inheritedobject[object CSSSupportsRule]
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???
requests2.19.1???
Safari12.0.0???
Safari11.1.0ownfunctionfunction CSSSupportsRule() { [native code] }
Safari11.0.3ownfunctionfunction CSSSupportsRule() { [native code] }
Safari11.0.2ownfunctionfunction CSSSupportsRule() { [native code] }
Safari11.0.1ownfunctionfunction CSSSupportsRule() { [native code] }
Safari11.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Safari10.1.2ownfunctionfunction CSSSupportsRule() { [native code] }
Safari10.1.1ownfunctionfunction CSSSupportsRule() { [native code] }
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???
SamsungBrowser7.2.0ownfunctionfunction CSSSupportsRule() { [native code] }
SamsungBrowser6.2.0ownfunctionfunction CSSSupportsRule() { [native code] }
SamsungBrowser4.0.0???
Ubuntu10.4.0???

PropertiesChromeChromiumCriOSEdgeFirefoxGooglebotIErequestsSafariSamsungBrowserUbuntu
CHARSET_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
COUNTER_STYLE_RULE 69.0.3494??? 50.0.0??????
FONT_FACE_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
FONT_FEATURE_VALUES_RULE 69.0.3494??? 50.0.0??????
IMPORT_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
KEYFRAMES_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
KEYFRAME_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
length 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
MEDIA_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
NAMESPACE_RULE 48.0.2564 65.0.3325 62.0.3202 12.10136.0 50.0.0??? 10.0.0 6.2.0?
PAGE_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
prototype 41.0.2272 65.0.3325 62.0.3202 12.10136.0 24.0.0 2.1.0?? 10.0.0 6.2.0?
STYLE_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
SUPPORTS_RULE 41.0.2272 65.0.3325 62.0.3202 12.10136.0 50.0.0 2.1.0?? 10.0.0 6.2.0?
toString 41.0.2272???? 2.1.0?????
UNKNOWN_RULE 41.0.2272? 62.0.3202?? 2.1.0?? 10.0.0??
VIEWPORT_RULE 54.0.2840 65.0.3325?????????
WEBKIT_FILTER_RULE 41.0.2272???? 2.1.0?????
WEBKIT_KEYFRAMES_RULE 41.0.2272? 62.0.3202 12.10136.0? 2.1.0?? 10.0.0 6.2.0?
WEBKIT_KEYFRAME_RULE 41.0.2272? 62.0.3202 12.10136.0? 2.1.0?? 10.0.0 6.2.0?
WEBKIT_REGION_RULE?? 62.0.3202????? 10.0.0??