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. |
| Desktop | ||||||
|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
| Basic support | 62 | ? | 59 | ? | 49 | No |
| Mobile | |||||||
|---|---|---|---|---|---|---|---|
| Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
| Basic support | 62 | 62 | ? | 59 | 49 | No | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/Performance/timeOrigin