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.
state is a read-only property that gives the state of the connection.
var dataState = navigator.mozMobileConnection.data.state; var voiceState = navigator.mozMobileConnection.voice.state;
Return a string.
Possible values are:
This property can also be
null if the state is unknown.
Not part of any specification.