text: function FizzBuzz(){
  }
  // why methods are declared like that with no method inside
  
  FizzBuzz.prototype.convert = function(number) {
      return number % 15 == 0 ? 'FizzBuzz' : number % 5 == 0 ? 'Buzz' : number % 3 == 0 ? 'Fizz' : number;
  
  };
  