text: /* 
      The for...in statement iterates over the enumerable properties of an object.
  */
  
  var me = {
      name: "Mustafa"
      , age: 35
      , car: ferrari
  }
  Object.defineProperty(me, "age", { writable: false, enumerable: false, configurable: false })
  
  var ferrari = {
      model: 2001
  }
  
  var ahmet = Object.create(me);
  ahmet.name = "Ahmet";
  ahmet.price = Infinity;
  
  for(var propertyKey in ahmet){
      console.log("(1)", propertyKey); // -> ?
  }
  
  
  
  