BrowserVersionOwn?TypeAs String
Chrome94.0.4590???
Edge92.0.902ownobject[object JSON]
Firefox90.0.0ownobject[object JSON]
Java11.0.10???
requests2.26.0???

PropertiesChromeEdgeFirefoxJavarequests
parse 80.0.3987 92.0.902 78.0.0??
stringify 80.0.3987 92.0.902 78.0.0??
toSource?????