Excercise 2

gistfile1.js

(function(strName, container) {

var index;

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

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


container[strName] = function(){
  index = 10;
  iterate();
}


})("countdown", this);