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

PropertiesChromeEdgeFirefoxJava
ALT_MASK?? 90.0.0?
AT_TARGET?? 90.0.0?
BUBBLING_PHASE?? 90.0.0?
CAPTURING_PHASE?? 90.0.0?
CONTROL_MASK?? 90.0.0?
length?? 90.0.0?
META_MASK?? 90.0.0?
NONE?? 90.0.0?
prototype?? 90.0.0?
SHIFT_MASK?? 90.0.0?