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

PropertiesChromeEdgeFirefoxIESafari
length 85.0.4183????