BrowserVersionOwn?TypeAs String
Chrome85.0.4183???
Edge86.0.622???
Firefox68.0.0???
IE10.0.0ownobject[object ClientRectList]
Safari10.1.2ownfunctionfunction ClientRectList() { [native code] }
Safari11.0.0???

PropertiesChromeEdgeFirefoxIESafari
length???? 10.1.2
prototype??? 10.0.0 10.1.2