text: function Person() {
      this.firstName = 'John';
      this.lastName = 'Smith';
      this.log = function () {
          console.log(this.firstName);
          console.log(this.lastName);
      }
  }
  
  var p = new Person();
  
  var theRealLog = p.log.bind(p);
  setTimeout(theRealLog, 2000);
  