alarms.clear()
Cancels an alarm, given its name.
This is an asynchronous function that returns a Promise.
Syntax
js
let 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.
Examples
js
function onCleared(wasCleared) {
  console.log(wasCleared); // true/false
}
let clearAlarm = browser.alarms.clear("my-periodic-alarm");
clearAlarm.then(onCleared);
Browser compatibility
BCD tables only load in the browser
Note: This API is based on Chromium's chrome.alarms API.