Non-standard
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 internal applications only.
Summary
Returns a PermissionSettings object you can use to get and set permissions of apps on the Firefox OS platform.
Syntax
var permissions = window.navigator.mozPermissionSettings;
Value
navigator.mozPermissionSettings is a PermissionSettings object.
Specification
Not part of any specification.