BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome49.0.2623???
Chrome86.0.4240ownfunctionfunction BluetoothServiceDataMap() { [native code] }
Chrome87.0.0???
Chrome87.0.4280ownfunctionfunction BluetoothServiceDataMap() { [native code] }
Chrome88.0.4313???
Chrome89.0.4386ownfunctionfunction BluetoothServiceDataMap() { [native code] }
Chrome89.0.4389???
Edge85.0.564???
Firefox56.0.0???
IE10.0.0???
Safari4.0.0???
SamsungBrowser13.0.0???
SFive80.0.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveYandexBot
length? 86.0.4240???????
prototype? 86.0.4240???????