This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
The window.cancelIdleCallback() method cancels a callback previously scheduled with window.requestIdleCallback().
window.cancelIdleCallback(handle);
handlewindow.requestIdleCallback() when the callback was established.undefined.
See our complete example in the article Cooperative Scheduling of Background Tasks API.
| Specification | Status | Comment |
|---|---|---|
| Cooperative Scheduling of Background Tasks | Proposed Recommendation | Initial definition. |
| Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari (WebKit) |
|---|---|---|---|---|---|---|
| Basic support | 47 | No support | 55 (55) | No support | (Yes) | No support |
| Feature | Android Webview | Chrome for Android | Firefox Mobile (Gecko) | Firefox OS | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|---|
| Basic support | 47 | 47 | 55.0 (55) | No support | No support | ? | No support |
cancelIdleCallback() support was added in Firefox 53, but was disabled by default. It was later enabled by default in Firefox 55.
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https://developer.mozilla.org/en-US/docs/Web/API/window/cancelIdleCallback