just testing out some closures

Excercise 2

countdown = (function(){
		var index;
		
		function log(){
		  console.log(index);
		}
		
		function iterate(){
		  log();
		  if(index>1) setTimeout(iterate, 1000);
		  index--;
		}
		
		return function countdown(){
		  index = 10;
		  iterate();
		}
		
}());