BrowserVersionOwn?TypeAs String
Chrome81.0.4044???
Chrome86.0.4240ownobject[object Storage]
Chrome88.0.4301???
Edge86.0.622ownobject[object Storage]
Edge87.0.651???
Edge87.0.658ownobject[object Storage]
Firefox68.0.0???
Firefox79.0.0ownobject[object Storage]
HeadlessChrome81.0.4044???
IE10.0.0inheritedobject[object Storage]
Safari10.1.2ownobject[object Storage]

PropertiesChromeEdgeFirefoxHeadlessChromeIESafari
clear 86.0.4240 86.0.622 79.0.0?? 10.0.0
getItem 86.0.4240 86.0.622 79.0.0?? 10.0.0
key 86.0.4240 86.0.622 79.0.0?? 10.0.0
length 86.0.4240 86.0.622 79.0.0?? 10.0.0
removeItem 86.0.4240 86.0.622 79.0.0?? 10.0.0
setItem 86.0.4240 86.0.622 79.0.0?? 10.0.0