BrowserVersionOwn?TypeAs String
Chrome63.0.3214???
Chrome62.0.3176???
Chrome62.0.3172???
Chrome62.0.3166???
Chrome61.0.3163???
Chrome61.0.3159???
Chrome61.0.3156???
Chrome61.0.3150???
Chrome61.0.3149???
Chrome61.0.3147???
Chrome61.0.3126???
Chrome60.0.3112???
Chrome59.0.3071???
Chrome58.0.3029???
Chrome57.0.2987???
Chrome56.0.2924???
Chrome55.0.2883???
Chrome53.0.2785???
Chrome51.0.2704???
Chrome50.0.2661???
Chrome49.0.2623???
Chrome48.0.2564???
Chrome47.0.2526???
Chrome46.0.2490???
Chrome45.0.2454???
Chrome44.0.2403???
Chrome43.0.2357???
Chrome42.0.2311???
Chrome41.0.2272???
Chrome40.0.2214???
Chrome39.0.2171???
Chrome38.0.2125???
Chrome37.0.2062???
Chrome36.0.1985???
Chrome35.0.1916???
Chrome34.0.1847???
Chrome29.0.1547???
Chrome25.0.1364ownfunctionfunction HTMLBaseFontElement() { [native code] }
Chrome24.0.1312ownfunctionfunction HTMLBaseFontElement() { [native code] }
Chrome19.0.1084ownfunctionfunction HTMLBaseFontElement() { [native code] }
Chrome15.0.874ownfunctionfunction HTMLBaseFontElement() { [native code] }
Chromium60.0.3112???
CriOS59.0.3071???
Edge15.15063.0ownfunctionfunction HTMLBaseFontElement() { [native code] }
Edge14.14393.0ownfunctionfunction HTMLBaseFontElement() { [native code] }
Firefox57.0.0???
Firefox56.0.0???
Firefox55.0.0???
Firefox54.0.0???
Firefox53.0.0???
Firefox52.0.0???
Firefox51.0.0???
Firefox49.0.0???
Firefox44.0.0???
Firefox35.0.0???
Firefox30.0.0???
Firefox29.0.0???
Firefox28.0.0???
Firefox27.0.0???
Firefox24.0.0???
Firefox18.0.0???
Firefox6.0.0???
Firefox5.0.1???
Googlebot2.1.0???
IE11.0.0ownobject[object HTMLBaseFontElement]
IE10.0.0ownobject[object HTMLBaseFontElement]
IE9.0.0ownobject[object HTMLBaseFontElement]
Maxthon5.0.4???
ru2.0.0???
Safari11.0.0???
Safari10.3.0???
Safari10.1.2???
Safari10.1.1???
Safari10.1.0???
Safari10.0.0???
Safari9.1.3ownobject[object HTMLBaseFontElementConstructor]
Safari8.0.8ownobject[object HTMLBaseFontElementConstructor]
Safari7.1.8ownobject[object HTMLBaseFontElementConstructor]
Safari7.0.0ownobject[object HTMLBaseFontElementConstructor]
Safari6.0.5ownobject[object HTMLBaseFontElementConstructor]
Safari5.1.7ownobject[object HTMLBaseFontElementConstructor]
Safari5.0.5???
Safari4.0.0???
SamsungBrowser4.0.0???
YaBrowser1.0.1084???

PropertiesChromeChromiumCriOSEdgeFirefoxGooglebotIEMaxthonruSafariSamsungBrowserYaBrowser
length 15.0.874???????? 7.0.0??
prototype 15.0.874?? 14.14393.0?? 9.0.0?? 5.0.0??
toString 15.0.874???????????