BrowserVersionOwn?TypeAs String
BW1.1.0???
Chrome85.0.4183???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2ownfunctionfunction WebKitMediaKeyMessageEvent() { [native code] }

PropertiesBWChromeEdgeFirefoxIESafari
AT_TARGET????? 10.0.0
BLUR????? 10.1.2
BUBBLING_PHASE????? 10.0.0
CAPTURING_PHASE????? 10.0.0
CHANGE????? 10.1.2
CLICK????? 10.1.2
DBLCLICK????? 10.1.2
DRAGDROP????? 10.1.2
FOCUS????? 10.1.2
KEYDOWN????? 10.1.2
KEYPRESS????? 10.1.2
KEYUP????? 10.1.2
length????? 10.0.0
MOUSEDOWN????? 10.1.2
MOUSEDRAG????? 10.1.2
MOUSEMOVE????? 10.1.2
MOUSEOUT????? 10.1.2
MOUSEOVER????? 10.1.2
MOUSEUP????? 10.1.2
NONE????? 10.0.0
prototype????? 10.0.0
SELECT????? 10.1.2