Gets an alarm, given its name.

This is an asynchronous function that returns a Promise.


let getAlarm = browser.alarms.get(
  name                   // optional string


name Optional

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

Return value

A Promise that will be fulfilled with an Alarm object. This represents the alarm whose name matches name. If no alarms match, this will be undefined.


function gotAlarm(alarm) {
  if (alarm) {

let getAlarm = browser.alarms.get("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.