BrowserVersionOwn?TypeAs String
Chrome81.0.4044???
Chrome85.0.4183inheritedfunctionfunction removeEventListener() { [native code] }
Chrome88.0.4301???
Edge86.0.622inheritedfunctionfunction removeEventListener() { [native code] }
Edge87.0.651???
Edge87.0.658inheritedfunctionfunction removeEventListener() { [native code] }
Firefox68.0.0???
Firefox79.0.0inheritedfunctionfunction removeEventListener() { [native code] }
HeadlessChrome81.0.4044???
IE10.0.0inheritedfunction function removeEventListener() { [native code] }
Safari10.1.2inheritedfunctionfunction removeEventListener() { [native code] }

PropertiesChromeEdgeFirefoxHeadlessChromeIESafari
length 85.0.4183?????