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

PropertiesChromeEdgeFirefoxHeadlessChromeIESafari
AT_TARGET 86.0.4240 86.0.622? 81.0.4044??
BUBBLING_PHASE 86.0.4240 86.0.622? 81.0.4044??
CAPTURING_PHASE 86.0.4240 86.0.622? 81.0.4044??
length 86.0.4240 86.0.622? 81.0.4044??
NONE 86.0.4240 86.0.622? 81.0.4044??
prototype 86.0.4240 86.0.622? 81.0.4044??