This API is available on Firefox OS for internal applications only.


Specifies an event listener to receive sending events. These events occur when an SMS or MMS enters the send flow.


navigator.mozMobileMessage.onsending = funcRef;

Where funcRef is a function to be called when the sending event occurs. It recieves a MozSmsEvent or MozMmsEvent object as its first parameter.


This is a non-standard implementation, but it is discussed at W3C as part of the System Application Working Group.

Specification Status Comment
Messaging API Editor's Draft Editor Draft (WIP).

Browser compatibility

For obvious reasons, support is primarily expected on mobile browsers.

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support No support No support No support No support No support
Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support 12.0 (12.0) Moz No support No support No support

See also


© 2016 Mozilla Contributors
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.

API B2G DOM Firefox OS Mobile Property Reference Référence WebSMS