This article is in need of a technical review.

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 OS for privileged or certified applications only.


Specifies an event listener to receive contactchange events. These events occur when a contact is added, updated, or removed from the device's contact database.


window.navigator.mozContacts.oncontactchange = funcRef;

Where funcRef is a function to be called when the contactchange event occurs. These events are of type MozContactChangeEvent.


Specification Status Comment
Contacts Manager API
The definition of 'ContactManager.oncontactschange' in that specification.
Working Draft  
vCard Format Specification IETF RFC RFC 6350

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
basic support Not supported Not supported Not supported Not supported Not supported
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
basic support Not supported Not supported 18.0 Not supported Not supported Not supported

See also

Document Tags and Contributors

Contributors to this page: Sebastianz, fscholz, MHasan, kscarfone, Jeremie
Last updated by: Sebastianz,