<script>
    "use script"

    let time = performance.now();

    let array = [11, 12, 13, 15, 16, 0, 0, 0, 0, 0];

    for (i = 0; i < array.length; i++) {
      let number = array[i];
      if ((array[array.length - i - 1]) !== 0) {
        break;
      }
      array.splice(array.length - i - 1, 1, number);

    }

    array.sort((a, b) => {
      return a - b
    });

    time = performance.now() - time;
    console.log(array);
    console.log('Время выполнения - ', time);
  </script>