text: (function () {
      'use strict';
  
      var area = document.body,
          areaHeight = window.innerHeight,
          areaWidth = window.innerWidth,
          duck = document.createElement('img');
          
      duck.src='img/duck.png';
      duck.style.position ='absolute';
      duck.style.left = '0px';
      duck.style.top = '0px';
      duck.style.height = '50px';
      duck.style.width = '50px';
      duck.style.zIndex = 10000;
      duck.addEventListener('click', respawnDuck);
  
      setInterval(respawnDuck, 5000);
  
      function respawnDuck(){
          var newX = Math.floor(Math.random() * (areaWidth-duck.width)),
          newY = Math.floor(Math.random() * (areaHeight-duck.height));
      
          duck.style.left = newX+'px';
          duck.style.top = newY+'px';
          area.appendChild(duck);
      }
      respawnDuck();
  })();
  