project-javascript-g1-iterators/chinkeki.html

<!DOCTYPE html>
<html>

  <body>
    <script>
      //1st task
      function repeat(func, param, times) {
        for (let i = 1; i <= times; i++) {
          func(param);
        }
      }
      const displayLog = function(message) {
        console.log(message);
      };
      repeat(displayLog, 'run number', 5);

      //2nd Task
      function repeatDuration(repeat, times, func, param) {
        console.time('executiontime');
        repeat(func, param, times);
        console.timeEnd('executiontime');
      }
      repeatDuration(repeat, 5, displayLog, 'run number');

      //task 3
      function factorial(x) {
        if (x === 0) {
          return 1;
        }
        return x * factorial(x - 1);
      }
      console.log(factorial(5));

      //task 4
      repeatDuration(repeat, 1000, factorial, 20);
    </script>
  </body>
</html>