BrowserVersionOwn?TypeAs String
Chrome64.0.3253???
Chrome63.0.3239???
Chrome63.0.3231???
Chrome63.0.3214???
Chrome62.0.3202???
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???
Chrome58.0.3050???
Chrome58.0.3029???
Chrome57.0.2987???
Chrome56.0.2966???
Chrome56.0.2924???
Chrome55.0.2883???
Chrome53.0.2785???
Chrome52.0.2743???
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???
Chrome38.0.1025???
Chrome37.0.2062???
Chrome36.0.1985???
Chrome35.0.1916???
Chrome34.0.1847???
Chrome29.0.1547???
Chrome25.0.1364???
Chrome24.0.1312???
Chrome19.0.1084???
Chrome15.0.874???
Chromium61.0.3163???
Chromium60.0.3112???
CriOS59.0.3071???
Edge15.15063.0???
Edge14.14393.0???
Edge12.246.0???
Firefox58.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox57.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox56.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox55.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox54.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox53.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox52.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox51.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox50.0.0ownfunctionfunction FileSystemDirectoryReader() { [native code] }
Firefox49.0.0???
Firefox45.0.0???
Firefox44.0.0???
Firefox35.0.0???
Firefox33.0.0???
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???
IE11.0.0???
IE10.0.0???
IE9.0.0???
Maxthon5.0.4???
Safari11.0.1???
Safari11.0.0???
Safari10.1.2???
Safari10.1.1???
Safari10.1.0???
Safari10.0.3???
Safari10.0.0???
Safari9.1.3???
Safari8.0.8???
Safari7.1.8???
Safari6.0.5???
Safari5.1.7???
Safari5.0.5???
Safari4.0.0???
SamsungBrowser6.2.0???
SamsungBrowser4.0.0???

PropertiesChromeChromiumCriOSEdgeFirefoxGooglebotIEMaxthonSafariSamsungBrowser
length???? 50.0.0?????
prototype???? 50.0.0?????