mymodule.js

var mymodule = (function(){
  "use strict";
  //This is sample module for loading a module using require() function in webpack.


    return {
            init: function(){
              //*************************************
              //Initialize some global functions..
              //If you want to load a library, write codes in here.
              //*************************************
            },

            myfunction: function(){
                alert('Cool');
            },
            myvariable: 123;

          }
})();


//UMD Wrapper (github.com/umdjs/umd/blob/master/returnExports.js | @umdjs + @nason)
(function(root, factory) {

 // AMD.
   if (typeof define === 'function' && define.amd)
     define([], factory);

 // Node.
   else if (typeof exports === 'object')
     module.exports = factory();

 // Browser global.
   else
     root.mymodule = factory();

}(this, function() { return mymodule; }));