题解 | #表格排序#

 function sort(type, order) {
   let index = { id: 0, price: 1, sales: 2 }[type];
   let rows = Array.from(jsList.rows)

  if (order == 'asc') {
  	rows.sort((rowA, rowB) => +rowA.cells[index].innerHTML - +rowB.cells[index].innerHTML)
  } else if (order == 'desc') {
  	rows.sort((rowA, rowB) => +rowB.cells[index].innerHTML - +rowA.cells[index].innerHTML)
  }

  jsList.innerHTML = '';
  rows.forEach(tr => jsList.append(tr))
}