for Manish

gistfile1.js

function hiManish(fn, calls) {
  var calls_count = calls;
    return {
      completeCall: function() {
        calls -= 1;
        if (this.isDone()){
          console.log("Begin to execute callback function")
          fn.call(this)
        }         
      },
      isDone: function() { 
        return calls === 0;
      }
}}

var hi_lo = hiManish(function() { [1,2,3,4,5]}forEach(function (n) { console.log(n)})}, 3);

hi_lo.completeCall();
hi_lo.completeCall();
hi_lo.completeCall();