BrowserVersionOwn?TypeAs String
Chrome72.0.3626ownfunctionfunction Performance() { [native code] }
Chrome71.0.3578ownobject[object Performance]
Chrome71.0.3539ownfunctionfunction Performance() { [native code] }
Chrome70.0.3538ownobject[object Performance]
Chrome70.0.3534ownobject[object Performance]
Chrome70.0.3531ownobject[object Performance]
Chrome70.0.3522ownobject[object Performance]
Chrome70.0.3520ownobject[object Performance]
Chrome69.0.3497ownobject[object Performance]
Chrome69.0.3494ownobject[object Performance]
Chrome69.0.3481???
Chrome69.0.3472ownobject[object Performance]
Chrome69.0.3466ownobject[object Performance]
Chrome69.0.3457ownobject[object Performance]
Chrome69.0.3449???
Chrome68.0.3440ownobject[object Performance]
Chrome68.0.3434???
Chrome68.0.3431???
Chrome68.0.3428???
Chrome68.0.3423???
Chrome68.0.3409ownfunctionfunction Performance() { [native code] }
Chrome68.0.3400ownobject[object Performance]
Chrome68.0.3398ownfunctionfunction Performance() { [native code] }
Chrome67.0.3500???
Chrome67.0.3396ownobject[object Performance]
Chrome67.0.3394???
Chrome67.0.3386???
Chrome67.0.3384???
Chrome66.0.3450ownobject[object Performance]
Chrome66.0.3359ownobject[object Performance]
Chrome66.0.3336???
Chrome65.0.3325inheritedobject[object Performance]
Chrome65.0.3298???
Chrome65.0.3294ownobject[object Performance]
Chrome64.0.3350ownobject[object Performance]
Chrome64.0.3282ownobject[object Performance]
Chrome64.0.3253ownobject[object Performance]
Chrome63.0.3239ownobject[object Performance]
Chrome63.0.3231ownobject[object Performance]
Chrome63.0.3214???
Chrome63.0.3205???
Chrome62.0.3202ownobject[object Performance]
Chrome62.0.3176ownobject[object Performance]
Chrome62.0.3175???
Chrome62.0.3172ownobject[object Performance]
Chrome62.0.3166???
Chrome61.0.3163ownobject[object Performance]
Chrome61.0.3159???
Chrome61.0.3156ownobject[object Performance]
Chrome61.0.3150???
Chrome61.0.3149ownfunctionfunction Performance() { [native code] }
Chrome61.0.3147ownfunctionfunction Performance() { [native code] }
Chrome61.0.3126???
Chrome60.0.3112ownobject[object Performance]
Chrome60.0.3020???
Chrome59.0.8579???
Chrome59.0.6740???
Chrome59.0.6578???
Chrome59.0.3071ownobject[object Performance]
Chrome58.0.3300ownfunctionfunction Performance() { [native code] }
Chrome58.0.3050ownobject[object Performance]
Chrome58.0.3029ownobject[object Performance]
Chrome57.0.9361???
Chrome57.0.5690???
Chrome57.0.2987???
Chrome56.0.2924ownobject[object Performance]
Chrome55.0.3849???
Chrome55.0.2883ownobject[object Performance]
Chrome54.0.2840ownobject[object Performance]
Chrome53.0.3221???
Chrome53.0.2785ownobject[object Performance]
Chrome52.0.2743ownfunctionfunction Performance() { [native code] }
Chrome52.0.1894???
Chrome51.0.8411???
Chrome51.0.2704ownfunctionfunction Performance() { [native code] }
Chrome50.0.9575???
Chrome50.0.7865???
Chrome50.0.2661ownfunctionfunction Performance() { [native code] }
Chrome49.0.3933???
Chrome49.0.3393???
Chrome49.0.2623ownfunctionfunction Performance() { [native code] }
Chrome48.0.2564ownfunctionfunction Performance() { [native code] }
Chrome47.0.2526???
Chrome46.0.2490???
Chrome45.0.4392???
Chrome45.0.2620???
Chrome45.0.2566???
Chrome45.0.2454???
Chrome44.0.5389???
Chrome44.0.2403ownfunctionfunction Performance() { [native code] }
Chrome43.0.8570???
Chrome43.0.6502???
Chrome43.0.4717???
Chrome43.0.2357???
Chrome42.0.3812???
Chrome42.0.3721???
Chrome42.0.2311???
Chrome41.0.3258???
Chrome41.0.2272ownobject[object Performance]
Chrome40.0.2214???
Chrome39.0.8358???
Chrome39.0.2578???
Chrome39.0.2171???
Chrome38.0.2125ownfunctionfunction Performance() { [native code] }
Chrome38.0.1025???
Chrome37.0.2062ownfunctionfunction Performance() { [native code] }
Chrome36.0.1985ownobject[object Performance]
Chrome35.0.1916???
Chrome34.0.1847???
Chrome33.0.1750ownobject[object Performance]
Chrome31.0.1650ownobject[object Performance]
Chrome29.0.1547???
Chrome27.0.1453???
Chrome25.0.1364???
Chrome24.0.1312???
Chrome19.0.1084???
Chrome15.0.874???
Chromium70.0.3538???
Chromium69.0.3497???
Chromium68.0.3440ownobject[object Performance]
Chromium66.0.3359ownobject[object Performance]
Chromium65.0.3325ownobject[object Performance]
Chromium64.0.3282???
Chromium63.0.3239???
Chromium62.0.3202???
Chromium61.0.3163???
Chromium60.0.3112???
Chromium48.0.2564ownobject[object Performance]
Chromium37.0.2062???
CriOS66.0.3359ownobject[object Performance]
CriOS65.0.3325???
CriOS64.0.3282ownobject[object Performance]
CriOS62.0.3202???
CriOS59.0.3071ownobject[object Performance]
Edge18.17763.0ownobject[object Performance]
Edge17.17134.0ownobject[object Performance]
Edge16.16299.0ownobject[object Performance]
Edge15.15063.0ownfunctionfunction Performance() { [native code] }
Edge14.14393.0ownobject[object Performance]
Edge13.10586.0ownobject[object Performance]
Edge12.10136.0ownobject[object Performance]
Firefox66.0.0ownobject[object Performance]
Firefox65.0.0ownfunctionfunction Performance() { [native code] }
Firefox64.0.0ownobject[object Performance]
Firefox63.0.0ownfunctionfunction Performance() { [native code] }
Firefox62.0.0ownfunctionfunction Performance() { [native code] }
Firefox61.0.0ownfunctionfunction Performance() { [native code] }
Firefox60.0.0ownobject[object Performance]
Firefox59.0.0ownfunctionfunction Performance() { [native code] }
Firefox58.0.0ownfunctionfunction Performance() { [native code] }
Firefox57.0.0ownfunctionfunction Performance() { [native code] }
Firefox56.2.3???
Firefox56.0.0ownfunctionfunction Performance() { [native code] }
Firefox55.0.0inheritedobject[object Performance]
Firefox54.0.0ownfunctionfunction Performance() { [native code] }
Firefox53.0.0ownfunctionfunction Performance() { [native code] }
Firefox52.0.0ownfunctionfunction Performance() { [native code] }
Firefox51.0.0ownfunctionfunction Performance() { [native code] }
Firefox50.0.0ownfunctionfunction Performance() { [native code] }
Firefox49.0.0???
Firefox47.0.0???
Firefox45.0.0???
Firefox44.0.0ownfunctionfunction Performance() { [native code] }
Firefox43.0.0???
Firefox39.0.0ownfunctionfunction Performance() { [native code] }
Firefox38.0.0ownfunctionfunction Performance() { [native code] }
Firefox35.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox33.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox30.0.0inheritedobject[object Performance]
Firefox29.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox28.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox27.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox24.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox18.0.0inheritedfunctionfunction Performance() { [native code] }
Firefox6.0.0???
Firefox5.0.1???
Googlebot2.1.0ownobject[object Performance]
IE11.0.0inheritedobject[object Performance]
IE10.0.0ownobject[object Performance]
IE9.0.0inheritedobject[object Performance]
Opera9.80.0???
Safari538.1.0ownobject[object PerformanceConstructor]
Safari12.0.3ownobject[object Performance]
Safari12.0.2???
Safari12.0.1???
Safari12.0.0ownobject[object Performance]
Safari11.1.2ownobject[object Performance]
Safari11.1.1???
Safari11.1.0ownobject[object Performance]
Safari11.0.3???
Safari11.0.2???
Safari11.0.1???
Safari11.0.0ownobject[object Performance]
Safari10.1.2ownfunctionfunction Performance() { [native code] }
Safari10.1.1ownfunctionfunction Performance() { [native code] }
Safari10.1.0???
Safari10.0.3ownfunctionfunction Performance() { [native code] }
Safari10.0.0ownfunctionfunction Performance() { [native code] }
Safari9.1.3ownobject[object PerformanceConstructor]
Safari9.1.2ownobject[object Performance]
Safari8.0.8ownobject[object PerformanceConstructor]
Safari8.0.0???
Safari7.1.8???
Safari7.0.3???
Safari6.0.5???
Safari5.1.7???
Safari5.0.5???
Safari4.0.0ownobject[object Performance]
SamsungBrowser9.0.0???
SamsungBrowser7.2.0ownobject[object Performance]
SamsungBrowser6.2.0ownobject[object Performance]
SamsungBrowser4.0.0???

PropertiesChromeChromiumCriOSEdgeFirefoxGooglebotIEOperaSafariSamsungBrowser
addEventListener 31.0.1650 48.0.2564 59.0.3071 12.10136.0 60.0.0 2.1.0?? 4.0.0 4.0.0
clearEventTimings 68.0.3440?????????
clearFrameTimings 54.0.2840?????????
clearMarks 31.0.1650 48.0.2564? 12.10136.0 38.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
clearMeasures 31.0.1650 48.0.2564? 12.10136.0 38.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
clearResourceTimings 48.0.2564 48.0.2564? 12.10136.0 35.0.0? 10.0.0? 11.0.0 6.2.0
constructor???? 48.0.0?????
dispatchEvent 31.0.1650 48.0.2564 59.0.3071 12.10136.0 60.0.0 2.1.0?? 4.0.0 4.0.0
getEntries 31.0.1650 48.0.2564? 12.10136.0 35.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
getEntriesByName 31.0.1650 48.0.2564? 12.10136.0 35.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
getEntriesByType 31.0.1650 48.0.2564? 12.10136.0 35.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
getMarks 61.0.3163?? 13.10586.0 55.0.0? 10.0.0???
getMeasures 61.0.3163?? 13.10586.0 55.0.0? 10.0.0???
length 31.0.1650 65.0.3325? 12.10136.0 18.0.0 2.1.0?? 4.0.0 6.2.0
mark 31.0.1650 48.0.2564? 12.10136.0 38.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
measure 31.0.1650 48.0.2564? 12.10136.0 38.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
memory 15.0.874 48.0.2564? 12.10136.0? 2.1.0?? 4.0.0 4.0.0
navigation 15.0.874 48.0.2564 59.0.3071 12.10136.0 18.0.0 2.1.0 9.0.0? 4.0.0 4.0.0
now 24.0.1312 48.0.2564 59.0.3071 12.10136.0 18.0.0 2.1.0 10.0.0? 4.0.0 4.0.0
oneventtimingbufferfull 68.0.3440?????????
onframetimingbufferfull 54.0.2840?????????
onresourcetimingbufferfull 48.0.2564 48.0.2564? 12.10136.0 35.0.0??? 11.0.0 6.2.0
onwebkitresourcetimingbufferfull 25.0.1364 48.0.2564??? 2.1.0?? 4.0.0 4.0.0
prototype 31.0.1650 65.0.3325? 12.10136.0 18.0.0 2.1.0 9.0.0? 4.0.0 6.2.0
removeEventListener 31.0.1650 48.0.2564 59.0.3071 12.10136.0 60.0.0 2.1.0?? 4.0.0 4.0.0
setEventTimingBufferMaxSize 68.0.3440?????????
setFrameTimingBufferSize 54.0.2840?????????
setResourceTimingBufferSize 48.0.2564 48.0.2564? 12.10136.0 35.0.0? 10.0.0? 11.0.0 6.2.0
shouldYield 69.0.3457?????????
timeOrigin 62.0.3172 65.0.3325? 16.16299.0 50.0.0?????
timing 15.0.874 48.0.2564 59.0.3071 12.10136.0 18.0.0 2.1.0 9.0.0? 4.0.0 4.0.0
toJSON 56.0.2924 65.0.3325? 12.10136.0 27.0.0? 9.0.0?? 6.2.0
toString 31.0.1650??? 24.0.0 2.1.0?? 4.0.0?
webkitClearMarks 25.0.1364??????? 4.0.0?
webkitClearMeasures 25.0.1364??????? 4.0.0?
webkitClearResourceTimings 25.0.1364 48.0.2564??? 2.1.0?? 4.0.0 4.0.0
webkitGetEntries 25.0.1364??????? 4.0.0?
webkitGetEntriesByName 25.0.1364??????? 4.0.0?
webkitGetEntriesByType 25.0.1364??????? 4.0.0?
webkitMark 25.0.1364??????? 4.0.0?
webkitMeasure 25.0.1364??????? 4.0.0?
webkitNow 36.0.1985??????? 4.0.0?
webkitSetResourceTimingBufferSize 25.0.1364 48.0.2564??? 2.1.0?? 4.0.0 4.0.0