1
var wiggleSort = function (nums) {
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  nums.sort((a, b) => a - b);
3

4
  let temp = [...nums];
5

6
  let low = Math.floor((nums.length - 1) / 2),
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    high = nums.length - 1;
8

9
  for (let i = 0; i < nums.length; i++) {
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    if (i % 2 === 0) {
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      nums[i] = temp[low];
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      low--;
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    } else {
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      nums[i] = temp[high];
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      high--;
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    }
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  }
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  return nums;
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};