gistfile1.js

(function (window, $, undefined) {
  var myGlobal;

  var module = {
    moduleMethod1: function () {
      myGlobal = 42;
    },

    moduleMethod2: function () {
      console.log(myGlobal);
    }
  }

  module.moduleMethod1();
  module.moduleMethod2();

}(window, jQuery));