1:  function mapArrayLike(arrayLike, callback) {

   2:      const result = [];

   3:      for (let i = 0; i < arrayLike.length; i++) {

   4:          result.push(callback(arrayLike[i], i, arrayLike)); // Similar signature to Array.map()'s callback

   5:      }

   6:      return result;

   7:  }

   8:  

   9:  const nodeList = document.querySelectorAll('p');

  10:  const textContent = mapArrayLike(nodeList, node => console.log(node));

  11: