BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Edge86.0.622???
Firefox68.0.0???
Firefox79.0.0ownfunctionfunction PopupBlockedEvent() { [native code] }
IE10.0.0???
Safari10.1.2???

PropertiesChromeEdgeFirefoxIESafari
ALT_MASK?? 79.0.0??
AT_TARGET?? 79.0.0??
BUBBLING_PHASE?? 79.0.0??
CAPTURING_PHASE?? 79.0.0??
CONTROL_MASK?? 79.0.0??
length?? 79.0.0??
META_MASK?? 79.0.0??
NONE?? 79.0.0??
prototype?? 79.0.0??
SHIFT_MASK?? 79.0.0??