https://leetcode-cn.com/problems/swap-nodes-in-pairs/

    1. function swapPairs(head: ListNode | null): ListNode | null {
    2.   if (!head || !head.next) return head;
    3.   let one = head;
    4.   let two = one.next;
    5.   let three = two.next;
    7.   two.next = one;
    8.   one.next = swapPairs(three);
    10.   return two;
    11. };

    https://bigfrontend.dev/zh/problem/implement-your-own-Object-create

    function myObjectCreate(proto) {
  if (proto === null || typeof proto !== 'object') {
    throw new Error('Object prototype may only be an Object or null');
  }
  function fn() {};
  fn.prototype = proto;
  return new fn()
}