BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome49.0.2623ownobject[object IDBFactory]
Chrome68.0.3440???
Edge85.0.564???
Firefox46.8.0???
IE10.0.0???
Safari4.0.0???
Safari10.1.2ownobject[object IDBFactory]
Safari13.0.3???
Safari13.0.4ownobject[object IDBFactory]
Safari14.2.0???
SamsungBrowser13.0.0???
SFive80.0.0???
TkBot0.1.0???
YandexBot3.0.0???

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
cmp? 49.0.2623??? 10.0.0????
constructor??????????
databases????? 14.0.0????
deleteDatabase? 49.0.2623??? 10.0.0????
open? 49.0.2623??? 10.0.0????
webkitGetDatabaseNames? 49.0.2623????????