alarms.clear()

Cancels an alarm, given its name.

This is an asynchronous function that returns a Promise.

Syntax

js
let clearAlarm = browser.alarms.clear(
  name                       // string
)

Parameters

name Optional

string. The name of the alarm to clear. If you don't supply this, the empty string "" will be used.

Return value

A Promise that will be fulfilled with a boolean. This will be true if the alarm was cleared, false otherwise.

Examples

js
function onCleared(wasCleared) {
  console.log(wasCleared); // true/false
}

let clearAlarm = browser.alarms.clear("my-periodic-alarm");
clearAlarm.then(onCleared);

Browser compatibility

desktop mobile
Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
clear
Chrome – Full support
Chrome 22 (Release date: 2012-09-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 45 (Release date: 2016-03-08)
footnote Full support
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – Full support
Safari 14 (Release date: 2020-09-16)
footnote Full support
Firefox for Android – Full support
Firefox for Android 48 (Release date: 2016-08-02)
footnote Full support
Safari on iOS – Full support
Safari on iOS 15 (Release date: 2021-09-20)
footnote Full support

Legend

Tip: you can click/tap on a cell for more information.

Full support
Full support

Note: This API is based on Chromium's chrome.alarms API.