javascript closure anonymous function

<script>
var a="s";

function aaa()
{
     
     var arr=[];
     for(var i=0;i<3;i++)
     {
    (function(){
        var obj= new Object();
        var ss=i;
        obj.show=function()
        {
             alert(ss);
        }
        arr[arr.length]=obj;
    })();
     }
     
     for(var j=0;j<arr.length;j++)
     {
    arr[j].show();    
     }     
}




aaa();
</script>