Answer 1

留个小小的见解
`/**

• description: 管道函数执行
• @param {Function} fns 执行函数数组
  */
  function pipe(...fns) {
  return function(x) {
  return fns.reduce(function(arg,fn) {
  return fn(arg)
  },x)
  }
  }

/**

• description: 新卡组最后一张放到旧卡组第一张
• @param {Object} card
  */
  function removeNewLastToOldFirst(card) {
  card.old = [card.new.pop(),...card.old];
  return card;
  }

/**

• description: 旧卡组最后一张放到旧卡组第一张
• @param {Object} card
  */
  function reverseLastToFisrt(card) {
  let last = card.old.pop();
  if(last) {
  card.old = [last,...card.old];
  }
  return card;
  }

/**

• description: 卡片排序
• @param {Object} card
  */
  function cardSort(card) {
  if(card.new.length > 0) {
  pipe(reverseLastToFisrt,removeNewLastToOldFirst)(card)
  cardSort(card)
  } else {
  return;
  }
  }

let card = {
old: [],
new: [1,2,3,4,5,6,7,8,9,10,11,12,13]
}
cardSort(card)

console.log(card) // { old: [ 1, 12, 2, 8, 3, 11, 4, 9, 5, 13, 6, 10, 7 ], new: [] }`