BrowserVersionOwn?TypeAs String
Chrome81.0.4044???
Chrome86.0.4240ownfunctionfunction MediaEncryptedEvent() { [native code] }
Chrome88.0.4301???
Edge86.0.622ownfunctionfunction MediaEncryptedEvent() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction MediaEncryptedEvent() { [native code] }
Firefox68.0.0???
Firefox79.0.0ownfunctionfunction MediaEncryptedEvent() { [native code] }
HeadlessChrome81.0.4044ownfunctionfunction MediaEncryptedEvent() { [native code] }
IE10.0.0???
Safari10.1.2???
Safari13.0.4ownfunctionfunction MediaEncryptedEvent() { [native code] }

PropertiesChromeEdgeFirefoxHeadlessChromeIESafari
ALT_MASK?? 79.0.0???
AT_TARGET 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
BUBBLING_PHASE 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
CAPTURING_PHASE 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
CONTROL_MASK?? 79.0.0???
length 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
META_MASK?? 79.0.0???
NONE 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
prototype 86.0.4240 86.0.622 79.0.0 81.0.4044? 13.0.0
SHIFT_MASK?? 79.0.0???