BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902ownfunctionfunction CSSSupportsRule() { [native code] }
Firefox90.0.0ownfunctionfunction CSSSupportsRule() { [native code] }
Java11.0.10???
requests2.26.0???
Scrapy1.5.1???

PropertiesChromeEdgeFirefoxJavarequestsScrapy
CHARSET_RULE 80.0.3987 92.0.902 90.0.0???
COUNTER_STYLE_RULE 91.0.4472 92.0.902 90.0.0???
FONT_FACE_RULE 80.0.3987 92.0.902 90.0.0???
FONT_FEATURE_VALUES_RULE?? 90.0.0???
IMPORT_RULE 80.0.3987 92.0.902 90.0.0???
KEYFRAMES_RULE 80.0.3987 92.0.902 90.0.0???
KEYFRAME_RULE 80.0.3987 92.0.902 90.0.0???
length 80.0.3987 92.0.902 90.0.0???
MARGIN_RULE??????
MEDIA_RULE 80.0.3987 92.0.902 90.0.0???
NAMESPACE_RULE 80.0.3987 92.0.902 90.0.0???
PAGE_RULE 80.0.3987 92.0.902 90.0.0???
prototype 80.0.3987 92.0.902 90.0.0???
STYLE_RULE 80.0.3987 92.0.902 90.0.0???
SUPPORTS_RULE 80.0.3987 92.0.902 90.0.0???
UNKNOWN_RULE??????
WEBKIT_KEYFRAMES_RULE??????
WEBKIT_KEYFRAME_RULE??????
WEBKIT_REGION_RULE??????