Obsolete since Gecko 51 (Firefox 51 / Thunderbird 51 / SeaMonkey 2.48)
This feature is obsolete. Although it may still work in some browsers, its use is discouraged since it could be removed at any time. Try to avoid using it.

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

The MozAlarmsManager API allows to schedule notifications or applications to be started at a specific time.


interface MozAlarmsManager
  DOMRequest getAll();
  DOMRequest add(Date date, DOMString respectTimezone, optional object data);
  void remove(unsigned long id);




Gets the list of all alarms currently scheduled.
Allows to schedule a new alarm.
Allows to remove an existing alarm.


Specification Status Comment
Web Alarms API Working Draft Defines the AlarmManager interface.

Browser compatibility

Supported in Firefox OS 1.0.

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

Last updated by: wbamberg,