BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome86.0.4240ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Chrome89.0.4354???
Chrome89.0.4386ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Chrome90.0.0???
Chrome90.0.4430ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Chrome91.0.4455???
Edge85.0.564???
Edge86.0.622ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Edge87.0.651???
Edge87.0.658ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Edge87.0.664???
Edge88.0.670ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Edge88.0.705???
Firefox46.8.0???
IE10.0.0???
Safari4.0.0???
Safari13.0.3ownfunctionfunction FileSystemDirectoryHandle() { [native code] }
Safari13.0.4???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
length? 86.0.0 86.0.622?? 13.0.3????
prototype? 86.0.0 86.0.622?? 13.0.3????