count down

gistfile1.txt

// Exercise 2 - Closures
// Wrap the following code in a closure and export only the "countdown" function.


var exercise = (function() {
// Code
var index;

function log(){
  console.log(index);
}

function iterate(){
  log();
  if(index>1) setTimeout(iterate, 1000);
  index--;
}
return {
	countdown: iterate
}
}());