Require.js shims

shims.js

require.config({
  shim: {
    underscore: {
      exports: '_'
    },
    backbone: {
      deps: ["underscore", "jquery"]
      , exports: "Backbone"
    }
  }
});
require([
  'jquery'
  , 'underscore'
  , 'backbone']
, function (
  $
  , _
  , Backbone) {   
//APP initialization
});