1. Web
  2. Web APIs
  3. Window
  4. cancelIdleCallback()

Window: cancelIdleCallback() method

Limited availability

This feature is not Baseline because it does not work in some of the most widely-used browsers.

The window.cancelIdleCallback() method cancels a callback previously scheduled with window.requestIdleCallback().

Syntax

js
cancelIdleCallback(handle)

Parameters

handle

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

Return value

None (undefined).

Examples

See our complete example in the article Cooperative Scheduling of Background Tasks API.

Specifications

Specification
requestIdleCallback()
# the-cancelidlecallback-method

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
Deno
cancelIdleCallback
Chrome – Full support
Chrome 47 (Release date: 2015-12-01)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 55 (Release date: 2017-08-08)
footnote Full support
Opera – Full support
Opera 34 (Release date: 2015-12-08)
footnote Full support
Safari – No support
Safari
footnote
footnote See bug 164193
Chrome Android – Full support
Chrome Android 47 (Release date: 2015-12-02)
footnote Full support
Firefox for Android – Full support
Firefox for Android 55 (Release date: 2017-08-08)
footnote Full support
Opera Android – Full support
Opera Android 34 (Release date: 2015-12-16)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote
footnote See bug 164193
Samsung Internet – Full support
Samsung Internet 5 (Release date: 2016-12-15)
footnote Full support
WebView Android – Full support
WebView Android 47 (Release date: 2015-12-02)
footnote Full support
WebView on iOS – No support
WebView on iOS
footnote
footnote See bug 164193
Deno – No support
Deno
footnote No support

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Full support
No support
See implementation notes.

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