This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Summary
The window.cancelIdleCallback()
method cancels a callback previously scheduled with window.requestIdleCallback()
.
Syntax
window.cancelIdleCallback(handle);
Parameters
handle
- The ID value returned by
window.requestIdleCallback()
when the callback was established.
Return value
undefined
.
Example
See our complete example in the article Cooperative Scheduling of Background Tasks API.
Specifications
Specification | Status | Comment |
---|---|---|
Cooperative Scheduling of Background Tasks | Proposed Recommendation | Initial definition. |
Browser compatibility
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.