Cancels an alarm, given its name.
Syntax
chrome.alarms.clear(
name, // string
function(wasCleared) {...} // function
)
This API is also available as browser.alarms.clear()
in a version that returns a promise.
Parameters
name
Optional
. The name of the alarm to clear. If you don't supply this, the empty string "" will be used.string
callback
Optionalfunction
. The function is passed the following arguments:-
wasCleared
boolean
.true
if the alarm was cleared,false
otherwise.
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 onCleared(wasCleared) { console.log(wasCleared); // true/false } chrome.alarms.clear("my-periodic-alarm", onCleared);
Promise-based version:
function onCleared(wasCleared) { console.log(wasCleared); // true/false } var clearAlarm = browser.alarms.clear("my-periodic-alarm"); clearAlarm.then(onCleared);
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.