window.cancelIdleCallback()

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().

window.cancelIdleCallback(handle);

handle: The ID value returned by window.requestIdleCallback() when the callback was established.

undefined.

Specification	Status	Comment
Cooperative Scheduling of Background Tasks	Proposed Recommendation	Initial definition.

	Desktop						Mobile
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`cancelIdleCallback` Experimental	Chrome Full support 47	Edge No support No	Firefox Full support 55 Full support 55 Full support 53 Disabled Disabled From version 53: this feature is behind the `dom.requestIdleCallback.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	IE No support No	Opera Full support Yes	Safari No support No	WebView Android Full support 47	Chrome Android Full support 47	Firefox Android Full support 55 Full support 55 Full support 53 Disabled Disabled From version 53: this feature is behind the `dom.requestIdleCallback.enabled` preference (needs to be set to `true`). To change preferences in Firefox, visit about:config.	Opera Android Full support Yes	Safari iOS No support No	Samsung Internet Android Full support 5.0

Full support: Full support
No support: No support
Experimental. Expect behavior to change in the future.: Experimental. Expect behavior to change in the future.
User must explicitly enable this feature.: User must explicitly enable this feature.