BrowserVersionOwn?TypeAs String
Chrome79.0.3945???
Chrome86.0.4240ownfunctionfunction BluetoothServiceDataMap() { [native code] }
Chrome88.0.4313???
Edge85.0.564???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2???
YandexBot3.0.0???

PropertiesChromeEdgeFirefoxIESafariYandexBot
length 86.0.4240?????
prototype 86.0.4240?????