BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Chrome88.0.4292ownfunctionfunction XRDepthInformation() { [native code] }
Chrome88.0.4301???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0???
Safari10.1.2???

PropertiesChromeEdgeFirefoxIESafari
length 88.0.4292????
prototype 88.0.4292????