BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902ownfunctionfunction CSSConditionRule() { [native code] }
Firefox90.0.0ownfunctionfunction CSSConditionRule() { [native code] }
Java11.0.10???

PropertiesChromeEdgeFirefoxJava
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????