Cancels an alarm, given its name.

This is an asynchronous function that returns a Promise.

Syntax

var clearAlarm = browser.alarms.clear(
  name                       // string
)

Parameters

nameOptional
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.

Browser compatibility

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxOperaFirefox for Android
Basic supportChrome Full support YesEdge No support NoFirefox Full support 45Opera Full support YesFirefox Android Full support 48

Legend

Full support  
Full support
No support  
No support

Examples

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.

Document Tags and Contributors

Contributors to this page: wbamberg, Makyen
Last updated by: wbamberg,