BrowserVersionOwn?TypeAs String
Chrome81.0.4044???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2ownfunctionfunction WebKitNamespace() { [native code] }

PropertiesChromeEdgeFirefoxIESafari
length???? 10.0.0
prototype???? 10.0.0