This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The timeOrigin read-only property of the Performance interface returns the high resolution timestamp of the start time of the performance measurement.

Note: This feature is available in Web Workers.


var timeOrigin = performance.timeOrigin


A high resolution timestamp.


Specification Status Comment
High Resolution Time Level 3
The definition of 'timeOrigin' in that specification.
Editor's Draft Initial definition.

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support62 ?59 ?49 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support6262 ?5949 ? ?

Document Tags and Contributors

Contributors to this page: fscholz, chrisdavidmills, TimothyGu, jpmedley
Last updated by: fscholz,