BrowserVersionOwn?TypeAs String
BW1.1.0???
Chrome85.0.4183???
Chrome86.0.4240ownfunctionfunction BluetoothAdvertisingEvent() { [native code] }
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2???

PropertiesBWChromeEdgeFirefoxIESafari
AT_TARGET? 86.0.4240????
BUBBLING_PHASE? 86.0.4240????
CAPTURING_PHASE? 86.0.4240????
length? 86.0.4240????
NONE? 86.0.4240????
prototype? 86.0.4240????