BrowserVersionOwn?TypeAs String
BingPreview1.0.0???
Chrome27.0.1500???
Chrome49.0.2623ownfunctionfunction Performance() { [native code] }
Chrome68.0.3440ownobject[object Performance]
Chrome69.0.3497???
Chrome70.0.3538ownobject[object Performance]
Chrome72.0.3626ownfunctionfunction Performance() { [native code] }
Chrome74.0.3729ownobject[object Performance]
Chrome79.0.3945???
Chrome80.0.3987ownobject[object Performance]
Chrome85.0.4183???
Chrome86.0.4240ownfunctionfunction Performance() { [native code] }
Chrome87.0.0ownobject[object Performance]
Chrome89.0.4354???
Chrome89.0.4386ownfunctionfunction Performance() { [native code] }
Chrome89.0.4389ownobject[object Performance]
Chrome90.0.0???
Chrome90.0.4430ownobject[object Performance]
Chrome91.0.4455ownfunctionfunction Performance() { [native code] }
Chrome92.0.4484???
Edge85.0.564???
Edge86.0.622ownobject[object Performance]
Edge87.0.651???
Edge87.0.658ownobject[object Performance]
Edge87.0.664???
Edge88.0.670ownobject[object Performance]
Edge88.0.705???
Edge89.0.723ownfunctionfunction Performance() { [native code] }
Edge89.0.731???
Firefox46.8.0???
Firefox78.0.0ownfunctionfunction Performance() { [native code] }
Firefox82.0.0ownobject[object Performance]
Firefox83.0.0ownfunctionfunction Performance() { [native code] }
Firefox88.0.0???
Firefox89.0.0ownfunctionfunction Performance() { [native code] }
IE10.0.0inheritedobject[object Performance]
Safari4.0.0ownobject[object Performance]
Safari7.0.0???
Safari10.1.2ownfunctionfunction Performance() { [native code] }
Safari11.0.0ownobject[object Performance]
Safari14.2.0???
SamsungBrowser13.0.0???
SFive80.0.0ownobject[object Performance]
TkBot0.1.0???
YandexBot3.0.0ownobject[object Performance]

PropertiesBingPreviewChromeEdgeFirefoxIESafariSamsungBrowserSFiveTkBotYandexBot
addEventListener? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
clearMarks? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
clearMeasures? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
clearResourceTimings? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
constructor??????????
dispatchEvent? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
eventCounts? 85.0.0 86.0.622 89.0.0? 13.0.3????
getEntries? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
getEntriesByName? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
getEntriesByType? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
length? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
mark? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
measure? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
measureMemory? 86.0.4240????????
measureUserAgentSpecificMemory? 89.0.4389??? 13.0.3????
memory? 49.0.0 86.0.622?? 4.0.0? 80.0.0? 3.0.0
navigation? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
now? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
onresourcetimingbufferfull? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
onwebkitresourcetimingbufferfull? 49.0.2623????????
profile? 86.0.4240????????
prototype? 49.0.0 86.0.622 78.0.0 10.0.0 4.0.0? 80.0.0? 3.0.0
removeEventListener? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
setResourceTimingBufferSize? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
timeOrigin? 68.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
timing? 49.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
toJSON? 68.0.0 86.0.622 78.0.0? 4.0.0? 80.0.0? 3.0.0
webkitClearResourceTimings? 49.0.2623????????
webkitSetResourceTimingBufferSize? 49.0.2623????????