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var sortArrayByParityII = function (nums) {
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  let arrEven = [];
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  let arrOdd = [];
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  let result = [];
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  for (let i in nums) {
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    nums[i] % 2 == 0 ? arrEven.push(nums[i]) : arrOdd.push(nums[i]);
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  }
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  for (let i in arrEven) {
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    result.push(arrEven[i]);
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    result.push(arrOdd[i]);
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  }
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  return result;
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};