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. |
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 62 | ? | ? | 49 | ? |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | 62 | 62 | ? | ? | ? | 49 | ? |
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https://developer.mozilla.org/en-US/docs/Web/API/Performance/timeOrigin