This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The PerformanceLongTaskTiming
interface of the the Long Tasks API reports instances of long tasks.
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Properties
PerformanceLongTaskTiming.attribution
Read only- Returns a sequence of
TaskAttributionTiming
instances.
Specifications
Specification | Status | Comment |
---|---|---|
Long Tasks API 1 The definition of 'PerformanceLongTaskTiming' in that specification. |
Working Draft | Initial definition. |
Browser Compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
PerformanceLongTaskTiming | Chrome Full support 58 | Edge Full support ≤79 | Firefox
No support
No
| IE ? | Opera Full support Yes | Safari ? | WebView Android Full support 58 | Chrome Android Full support 58 | Firefox Android
No support
No
| Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support 7.0 |
attribution | Chrome Full support 58 | Edge Full support ≤79 | Firefox No support No | IE ? | Opera Full support Yes | Safari ? | WebView Android Full support 58 | Chrome Android Full support 58 | Firefox Android No support No | Opera Android Full support Yes | Safari iOS ? | Samsung Internet Android Full support 7.0 |
Legend
- Full support
- Full support
- No support
- No support
- Compatibility unknown
- Compatibility unknown
- Experimental. Expect behavior to change in the future.
- Experimental. Expect behavior to change in the future.
- See implementation notes.
- See implementation notes.