JavaScript: Module Pattern

gistfile1.js

var MODULE = (function (ns, undefined) {
  
  ns.publicVariable = 'My module public variable';
  privateVariable = 'My module private variable';
	
  ns.publicMethod = function () {
		console.log(privateVariable);
	};
  
  privateMethod = function () {
  	privateVariable = "Change to my private variable";
	};
  
	return ns;
}(MODULE || {}));