88.MergeSortedArray.js

var merge = function (nums1, m, nums2, n) {
  nums1.splice(m);
  for (var i = 0; i < n; i++) {
    nums1.push(nums2[i]);
  }
  nums1.sort((a, b) => a - b);
  // console.log(nums1);
  return nums1;
};

console.log(merge([1, 2, 3, 0, 0, 0], 3, [2, 5, 6], 3));
console.log(merge([1], 1, [], 0));

console.log(
  merge(
    [
      -10,
      -10,
      -9,
      -9,
      -9,
      -8,
      -8,
      -7,
      -7,
      -7,
      -6,
      -6,
      -6,
      -6,
      -6,
      -6,
      -6,
      -5,
      -5,
      -5,
      -4,
      -4,
      -4,
      -3,
      -3,
      -2,
      -2,
      -1,
      -1,
      0,
      1,
      1,
      1,
      2,
      2,
      2,
      3,
      3,
      3,
      4,
      5,
      5,
      6,
      6,
      6,
      6,
      7,
      7,
      7,
      7,
      8,
      9,
      9,
      9,
      9,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
      0,
    ],
    55,
    [
      -10,
      -10,
      -9,
      -9,
      -9,
      -9,
      -8,
      -8,
      -8,
      -8,
      -8,
      -7,
      -7,
      -7,
      -7,
      -7,
      -7,
      -7,
      -7,
      -6,
      -6,
      -6,
      -6,
      -5,
      -5,
      -5,
      -5,
      -5,
      -4,
      -4,
      -4,
      -4,
      -4,
      -3,
      -3,
      -3,
      -2,
      -2,
      -2,
      -2,
      -2,
      -2,
      -2,
      -1,
      -1,
      -1,
      0,
      0,
      0,
      0,
      0,
      1,
      1,
      1,
      2,
      2,
      2,
      2,
      2,
      2,
      2,
      2,
      3,
      3,
      3,
      3,
      4,
      4,
      4,
      4,
      4,
      4,
      4,
      5,
      5,
      5,
      5,
      5,
      5,
      6,
      6,
      6,
      6,
      6,
      7,
      7,
      7,
      7,
      7,
      7,
      7,
      8,
      8,
      8,
      8,
      9,
      9,
      9,
      9,
    ],
    99
  )
);