app.js

// The code below uses require.js, a module system for javscript:
// http://requirejs.org/docs/api.html#define
//
// You don't have to use require.js, and you can delete all of this if
// you aren't (make sure to uncomment the script tags in index.html also)


// Set the path to jQuery, which will fall back to the local version
// if google is down
require.config({
    paths: {'jquery':
            ['//ajax.googleapis.com/ajax/libs/jquery/1.7.2/jquery.min',
             'lib/jquery']}
});

var global = this;

// Include the in-app payments API, and if it fails to load handle it
// gracefully.
// https://developer.mozilla.org/en/Apps/In-app_payments
require(['https://marketplace-cdn.addons.mozilla.net/mozmarket.js'],
        function() {},
        function(err) {
            global.mozmarket = global.mozmarket || {};
            global.mozmarket.buy = function() {
                alert('The in-app purchasing is currently unavailable.');
            };
        });


require(['jquery'], function($) {
    // Put your js code here



});

// END REQUIRE.JS CODE
// Remove all of this if not using require.js