baha men lyrics

index.js

var BahaMenLyrics = require('bahaMenLyrics');

var dogs = new BahaMenLyrics(); 
dogs.sing(); // "Who let the Dogs out?! Woof... Woof... Woof... Woof"

var goats = new BahaMenLyrics('Goats', 'Baaaa'); 
goats.sing(); // "Who let the Goats out?! Baaa... Baaa... Baaa... Baaa"

module.js

function BahaMenLyrics(things, sound){
  this.things = things || 'Dogs';
  this.sound = sound || 'Woof';
  this.sounds = "";

  var len = 4;
  for (var i = 0; i < len; i++){
    if (i === len - 1) {
      this.sounds += this.sound;
    } else {
      this.sounds += this.sound + "... ";
    }
  }
};

BahaMenLyrics.prototype.sing = function(){
  return "Who let the " + this.things + " out?! " + this.sounds;
}

module.exports = BahaMenLyrics;