BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902???
Firefox90.0.0???
Java11.0.10???

PropertiesChromeEdgeFirefoxJava
AT_TARGET????
BLUR????
BUBBLING_PHASE????
CAPTURING_PHASE????
CHANGE????
CLICK????
DBLCLICK????
DRAGDROP????
FOCUS????
KEYDOWN????
KEYPRESS????
KEYUP????
length????
MOUSEDOWN????
MOUSEDRAG????
MOUSEMOVE????
MOUSEOUT????
MOUSEOVER????
MOUSEUP????
NONE????
prototype????
SELECT????