BrowserVersionOwn?TypeAs String
Chrome86.0.4240ownfunctionfunction TransitionEvent() { [native code] }
Chrome88.0.4291???
Chrome88.0.4292ownfunctionfunction TransitionEvent() { [native code] }
Edge86.0.622ownfunctionfunction TransitionEvent() { [native code] }
Firefox78.0.0???
Firefox79.0.0ownfunctionfunction TransitionEvent() { [native code] }
Safari10.1.2ownfunctionfunction TransitionEvent() { [native code] }

PropertiesChromeEdgeFirefoxSafari
ALT_MASK?? 68.0.0?
AT_TARGET 86.0.4240 86.0.622 68.0.0 10.0.0
BLUR??? 10.1.2
BUBBLING_PHASE 86.0.4240 86.0.622 68.0.0 10.0.0
CAPTURING_PHASE 86.0.4240 86.0.622 68.0.0 10.0.0
CHANGE??? 10.1.2
CLICK??? 10.1.2
CONTROL_MASK?? 68.0.0?
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 86.0.4240 86.0.622 68.0.0 10.0.0
META_MASK?? 68.0.0?
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 86.0.4240 86.0.622 68.0.0 10.0.0
prototype 86.0.4240 86.0.622 68.0.0 10.0.0
SELECT??? 10.1.2
SHIFT_MASK?? 68.0.0?