Gets an alarm, given its name. The alarm is passed into a callback function as an alarms.Alarm object.
Syntax
chrome.alarms.get(
name, // optional string
function(alarm) {...} // function
)
This API is also available as browser.alarms.get() in a version that returns a promise.
Parameters
nameOptional. The name of the alarm to get. If you don't supply this, the empty string "" will be used.stringcallbackfunction. The function is passed the following arguments:-
alarm. The alarm whose name matchesalarms.Alarmname. If no alarms match, this will beundefined.
Browser compatibility
The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
| Chrome | Edge | Firefox | Firefox for Android | Opera | |
|---|---|---|---|---|---|
| Basic support | Yes | No | 45.0 | 48.0 | 33 |
Examples
Callback-based version:
function gotAlarm(alarm) {
if (alarm) {
console.log(alarm.name);
}
}
chrome.alarms.get("my-periodic-alarm", gotAlarm);
Promise-based version:
function gotAlarm(alarm) {
if (alarm) {
console.log(alarm.name);
}
}
var getAlarm = browser.alarms.get("my-periodic-alarm");
getAlarm.then(gotAlarm);
Acknowledgements
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.