reqres_2.js

var App = new Marionette.Application();

//This object is responsible for storing user data.
var userInfo = {
  favouriteLanguages: function(user){
    return ["JS", "Ruby"];
  }
};

//This module is responsible for displaying user data.
var userProfile = App.module("userProfile");
userProfile.addInitializer(function(opts){
  var languages = opts.userInfo.favouriteLanguages("Victor");
  displayLanguages(languages);
});

//Here we initialize all the modules of the application.
userProfile.start({userInfo: userInfo});