code: function getTallest(elements) {
    let tallest = 0;
  
    for (let i = elements.length - 1; i >= 0; i--) {
      if (elements[i].offsetHeight > tallest) {
        tallest = elements[i].offsetHeight;
      }
    }
  
    return tallest;
  }
docs: Determine which element in an array is the tallest.
  @param {ArrayLike<HTMLElement>} elements Array-like of elements.
  @return {number} Height of the tallest element.