This feature is not on a current W3C standards track, but it is supported on the Firefox OS platform. Although implementations may change in the future and it is not supported widely across browsers, it is suitable for use in code dedicated to Firefox OS apps.

This API is available on Firefox or Firefox OS for installed or higher privileged applications.

Returns a MozAlarmsManager object you can use to schedule notifications or applications to be started at a specific time.


var alarms = window.navigator.mozAlarms;


navigator.mozAlarms is a MozAlarmsManager object.


Specification Status Comment
Web Alarms API Working Draft Defines the extention for the navigator object.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support Not supported Not supported Not supported Not supported Not supported
Feature Android Firefox OS Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support Not supported 1.0[1] Not supported Not supported Not supported Not supported

[1] This API is currently available on Firefox OS only for any installed applications. The current specification for this API is not considered stable enough to unprefix the API yet.

See also

Document Tags and Contributors

Contributors to this page: Sebastianz, teoli, kscarfone, iamanupmenon, Charles5306, Sheppy, Jeremie
Last updated by: Sebastianz,
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