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.


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

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 62 59 (59) ? 49 ?
Feature Android Webview Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 62 62 59.0 (59) ? 49 ?

Document Tags and Contributors

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