PropertiesChromeCriOSEdgeFirefoxGooglebotIEOperaSafariSamsungBrowser
arity??? 5.0.0?????
length 15.0.874? 12.0.0 5.0.0 2.1.0 9.0.0 9.80.0 2.0.0 4.0.0
prototype 15.0.874? 12.0.0 5.0.0 2.1.0 9.0.0 9.80.0 2.0.0 4.0.0