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  5. alarms
  6. alarms.Alarm

alarms.Alarm

Information about a single alarm. This object is returned from alarms.get() and alarms.getAll(), and is passed into the alarms.onAlarm listener.

Type

Values of this type are objects. They contain the following properties:

name

string. Name of this alarm. This is the name that was passed into the alarms.create() call that created this alarm.

scheduledTime

double. Time at which the alarm is scheduled to fire next, in milliseconds since the epoch.

periodInMinutes Optional

double. If this is not null, then the alarm is periodic, and this represents its period in minutes.

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
Alarm
Chrome – Full support
Chrome 22 (Release date: 2012-09-25)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 45 (Release date: 2016-03-08)
footnote Full support
Opera – Full support
Opera 15 (Release date: 2013-07-02)
footnote Full support
Safari – Full support
Safari 14 (Release date: 2020-09-16)
footnote Full support
Firefox for Android – Full support
Firefox for Android 48 (Release date: 2016-08-02)
footnote Full support
Safari on iOS – Full support
Safari on iOS 15 (Release date: 2021-09-20)
footnote Full support

Tip: you can click/tap on a cell for more information.

Full support

Note: This API is based on Chromium's chrome.alarms API.

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