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.
networkSelectionMode is a read-only property that indicates the selection mode of the voice and data networks.
var mode = navigator.mozMobileConnection.networkSelectionMode
Return a string indicating the selection mode.
Possible values are:
This property can also be
Not part of any specification.