BrowserVersionOwn?TypeAs String
BW1.1.0???
Chrome85.0.4183???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2???
Safari14.0.0ownfunctionfunction EnterPictureInPictureEvent() { [native code] }

PropertiesBWChromeEdgeFirefoxIESafari
AT_TARGET????? 14.0.0
BUBBLING_PHASE????? 14.0.0
CAPTURING_PHASE????? 14.0.0
length????? 14.0.0
NONE????? 14.0.0
prototype????? 14.0.0