text: function getFibonator() {
  
      let counter = 0;
  
      return () => {
          const result = fibonacci(counter);
          counter++;
          return result
      }
  
      function fibonacci(counter) {
          return counter == 0 || counter == 1 ? 1 : fibonacci(counter - 2) + fibonacci(counter - 1);
      }
  
  }
  
  let fib = getFibonator();
  console.log(fib()); // 1
  console.log(fib()); // 1
  console.log(fib()); // 2
  console.log(fib()); // 3
  console.log(fib()); // 5
  console.log(fib()); // 8
  console.log(fib()); // 13