gist:5646510

jQueryz  = (function(){
    var a = 1;
    function b(){
      alert(a);
      a++;
    }
    return {
       b : b
    }
})();

gist:5182152

var CLASSNAME = (function(self){
   var _private = 0;
   
   function __init(){
      //run self init stuff here
   }

   function returnPrivate(){
      return _private;
   }

andresgallo

var CLASSNAME = function(){
    var first = "firstvar",
        second = "secondvar";
 
    //Expose private vars
    return {
       first :first
    };
})();