self.performance
The global performance property returns a Performance object, which can be used to gather performance information about the current document. It serves as the point of exposure for the Performance Timeline API, the High Resolution Time API, the Navigation Timing API, the User Timing API, and the Resource Timing API.
Value
A Performance object offering access to the performance and timing-related information offered by the APIs it exposes.
Specifications
| Specification |
|---|
| High Resolution Time # the-performance-attribute |
Browser compatibility
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
performance_property |
6 |
12 |
7 |
9 |
15 |
8 |
Yes |
Yes |
7 |
14 |
9 |
Yes |
worker_support |
Yes |
≤79 |
34 |
No |
? |
Yes |
Yes |
Yes |
34 |
? |
Yes |
Yes |
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https://developer.mozilla.org/en-US/docs/Web/API/performance_property