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

PropertiesChromeEdgeFirefoxJavarequests
addSearchEngine?????
AddSearchProvider 88.0.4324 92.0.902 90.0.0??
getHostEnvironmentValue? 92.0.902???
IsSearchProviderInstalled 88.0.4324 92.0.902 90.0.0??
length 80.0.3987 92.0.902???
prototype 80.0.3987 92.0.902???