BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Chrome86.0.4240ownfunctionfunction OverconstrainedError() { [native code] }
Edge86.0.622ownfunctionfunction OverconstrainedError() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction OverconstrainedError() { [native code] }
Firefox68.0.0???
IE10.0.0???
Safari10.1.2???
Safari11.0.0ownfunctionfunction OverconstrainedError() { [native code] }

PropertiesChromeEdgeFirefoxIESafari
length 86.0.4240 86.0.622?? 11.0.0
prototype 86.0.4240 86.0.622?? 11.0.0