This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Concepts and Usage
TBD
Interfaces
PerformanceLongTaskTiming- Reports instances of long tasks.
TaskAttributionTiming- Returns information about the work involved in a long task and its associate frame context.
Specifications
| Specification | Status | Comment |
|---|---|---|
| Long Tasks API 1 | Working Draft | Initial definition. |
Browser Compatibility
We're converting our compatibility data into a machine-readable JSON format. This compatibility table still uses the old format, because we haven't yet converted the data it contains. Find out how you can help!
| Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|
| Basic support | 58 | ? | ? | ? | ? |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | 58 | 58 | ? | ? | ? | ? | ? |