BrowserVersionOwn?TypeAs String
Chrome79.0.3914???
Chrome79.0.3913???
Chrome78.0.3902???
Chrome78.0.3901???
Chrome78.0.3895???
Chrome78.0.3887???
Chrome78.0.3876???
Chrome77.0.3865???
Chrome77.0.3858???
Chrome77.0.3855???
Chrome77.0.3849???
Chrome77.0.3835???
Chrome77.0.3833???
Chrome76.0.3809???
Chrome76.0.3804???
Chrome76.0.3802???
Chrome76.0.3800???
Chrome76.0.3788???
Chrome75.0.3770???
Chrome75.0.3755???
Chrome74.0.3729???
Chrome73.0.3683???
Chrome72.0.3626???
Chrome72.0.3617???
Chrome72.0.3598???
Chrome71.0.3578???
Chrome71.0.3539???
Chrome70.0.3538???
Chrome70.0.3534???
Chrome70.0.3531???
Chrome70.0.3522???
Chrome70.0.3520???
Chrome69.0.3497???
Chrome69.0.3494???
Chrome69.0.3481???
Chrome69.0.3472???
Chrome69.0.3466???
Chrome69.0.3457???
Chrome69.0.3449???
Chrome68.0.3440???
Chrome68.0.3434???
Chrome68.0.3431???
Chrome68.0.3428???
Chrome68.0.3423???
Chrome68.0.3409???
Chrome68.0.3400???
Chrome68.0.3398???
Chrome67.0.3500???
Chrome67.0.3396???
Chrome67.0.3394???
Chrome67.0.3386???
Chrome67.0.3384???
Chrome66.0.3450???
Chrome66.0.3359???
Chrome66.0.3336???
Chrome65.0.3325???
Chrome65.0.3298???
Chrome65.0.3294???
Chrome64.0.3350???
Chrome64.0.3282???
Chrome64.0.3253???
Chrome63.0.3239???
Chrome63.0.3231???
Chrome63.0.3214???
Chrome63.0.3205???
Chrome62.0.3202???
Chrome62.0.3176???
Chrome62.0.3175???
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???
Chrome60.0.2488???
Chrome59.0.3071???
Chrome58.0.3300???
Chrome58.0.3050???
Chrome58.0.3029???
Chrome57.0.6516???
Chrome57.0.2987???
Chrome56.0.9075???
Chrome56.0.2924???
Chrome55.0.2903???
Chrome55.0.2883???
Chrome54.0.2840???
Chrome53.0.2785???
Chrome52.0.8288???
Chrome52.0.2743???
Chrome51.0.2704???
Chrome50.0.6843???
Chrome50.0.2661???
Chrome49.0.2623???
Chrome48.0.6483???
Chrome48.0.2564???
Chrome47.0.2526???
Chrome46.0.2490???
Chrome45.0.6845???
Chrome45.0.2454???
Chrome44.0.2403???
Chrome43.0.2357???
Chrome42.0.2311???
Chrome41.0.2272???
Chrome40.0.2214???
Chrome39.0.2596???
Chrome39.0.2171???
Chrome38.0.2125???
Chrome38.0.1025???
Chrome37.0.2062???
Chrome36.0.1985???
Chrome35.0.1916???
Chrome34.0.1847???
Chrome33.0.1750???
Chrome31.0.1650???
Chrome29.0.1547???
Chrome27.0.1453???
Chrome25.0.1364???
Chrome24.0.1312???
Chrome19.0.1084???
Chrome15.0.874???
CriOS66.0.3359???
CriOS65.0.3325???
CriOS64.0.3282???
CriOS62.0.3202???
CriOS59.0.3071???
Edge78.0.268???
Edge77.0.232???
Edge77.0.222???
Edge77.0.221???
Edge77.0.217???
Edge77.0.186???
Edge76.0.174???
Edge76.0.169???
Edge76.0.167???
Edge76.0.147???
Edge76.0.141???
Edge75.0.130???
Edge75.0.126???
Edge75.0.121???
Edge75.0.111???
Edge74.1.96???
Edge18.18362.0???
Edge18.17763.0???
Edge17.17134.0???
Edge16.16299.0???
Edge15.15063.0???
Edge14.14393.0???
Edge13.10586.0???
Edge12.10136.0???
Firefox71.0.0???
Firefox70.0.0???
Firefox69.0.0???
Firefox68.0.0???
Firefox67.0.0???
Firefox66.0.0???
Firefox65.0.0???
Firefox64.0.0???
Firefox63.0.0???
Firefox62.0.0???
Firefox61.0.0???
Firefox60.0.0???
Firefox59.0.0???
Firefox58.0.0???
Firefox57.0.0???
Firefox56.2.5???
Firefox56.2.3???
Firefox56.0.0???
Firefox55.0.0???
Firefox54.0.0???
Firefox53.0.0???
Firefox52.0.0???
Firefox51.0.0???
Firefox50.0.0???
Firefox49.0.0???
Firefox48.0.0???
Firefox47.0.0???
Firefox45.0.0???
Firefox44.0.0???
Firefox43.0.0???
Firefox39.0.0???
Firefox38.0.0???
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???
Opera9.80.0???
Safari538.1.0???
Safari13.0.0???
Safari12.1.2ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari12.1.1???
Safari12.1.0ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari12.0.3ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari12.0.2???
Safari12.0.1ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari12.0.0ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari11.1.2ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari11.1.1???
Safari11.1.0ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari11.0.3???
Safari11.0.2???
Safari11.0.1???
Safari11.0.0ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari10.1.2ownobject[object WebKitMediaKeySessionConstructor]
Safari10.1.1ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari10.1.0ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari10.0.3ownfunctionfunction WebKitMediaKeySession() { [native code] }
Safari10.0.0???
Safari9.1.3ownobject[object WebKitMediaKeySessionConstructor]
Safari9.1.2ownobject[object WebKitMediaKeySessionConstructor]
Safari8.0.8ownobject[object WebKitMediaKeySessionConstructor]
Safari8.0.0???
Safari7.1.8ownobject[object WebKitMediaKeySessionConstructor]
Safari7.0.3???
Safari7.0.0???
Safari6.0.5???
Safari5.1.7???
Safari5.0.5???
Safari4.0.0???
Safari3.1.1???
SamsungBrowser9.2.0???
SamsungBrowser9.0.0???
SamsungBrowser7.2.0???
SamsungBrowser6.2.0???
SamsungBrowser4.0.0???

PropertiesChromeCriOSEdgeFirefoxGooglebotIEOperaSafariSamsungBrowser
length??????? 7.0.0?
prototype??????? 7.0.0?