[my favorite things, these are a few of them] #iffe #js

iffe-js-these-are-a-few-of-my-favorite-things.js

// IIFE:  Immediately invoked, functional expr

var counter = (function(){
   var i = 0;
   return {
     get: function(){
       return i;
     },
     set: function( val ){
       i = val;
     },
     increment: function() {
       return ++i;
     }
   };})();
 // 'counter' is an object with properties, which in this case happen to be// methods.

 counter.get(); // 0
 counter.set( 3 ); 
 counter.increment(); // 4
 counter.increment(); // 5