/* 排序动画 */
let quickSort = function (left, right) {
  var pivotpos, err
  if left < right {
    let err, pivotpos = await partition(left, right)
    await quickSort(left, pivotpos - 1)
    await quickSort(pivotpos + 1, right)
  }
  console.log(left, right);
}
await quickSort(0, data.length - 1)