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This API is available on Firefox OS for privileged or certified applications only.

The contactID property represents the unique ID of the contact that has been changed.


var id = instanceOfMozContactChangeEvent.contactID


Return a string.


This feature is currently not defined in any specification.

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
basic support No support No support No support No support No support
Feature Android Chrome for Android Firefox OS (Gecko) IE Mobile Opera Mobile Safari Mobile
basic support No support No support 1.0.1[1] No support No support No support

[1] As the specification is unstable, the Gecko implementation is completely non-standard.

See also

Document Tags and Contributors

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