var myMegaObject function var function log console log log1 return fun

 var myMegaObject = (function(w){
 	var a, b, c;
	function log(a){
		console.log('log1', a)
	}
	return function(b){
		this.b = b;
		this.getb = function(){			
			log( this.b );
		}
	}
 })(window);
 
 myMegaObject.add = function(){}
 
myMegaObject.prototype = (function(){
	var x,y,z;
	function log(a){
		console.log('log2', a)
	}
	return {
		c: 1,
		getc: function(){
			log(this.c)
		},
		event: function(fn){
			var c = this.c
			this.c.onclick = function(){
				if(fn.call(c) == false)
					return false;
			}
		}
	}
})();

var myObj = new myMegaObject('asd')

myObj.event(function(){
	alert(1)
});