Cancels an alarm, given its name.

This is an asynchronous function that returns a Promise.


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


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.


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

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

Browser compatibility

BCD tables only load in the browser

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

Microsoft Edge compatibility data is supplied by Microsoft Corporation and is included here under the Creative Commons Attribution 3.0 United States License.