showing results for - "array sorting javascript mergesort"
Anna
17 May 2017
1// Merge Sort (Recursive)
2function mergeSort (unsortedArray) {
3  // No need to sort the array if the array only has one element or empty
4  if (unsortedArray.length <= 1) {
5    return unsortedArray;
6  }
7  // In order to divide the array in half, we need to figure out the middle
8  const middle = Math.floor(unsortedArray.length / 2);
9
10  // This is where we will be dividing the array into left and right
11  const left = unsortedArray.slice(0, middle);
12  const right = unsortedArray.slice(middle);
13
14  // Using recursion to combine the left and right
15  return merge(
16    mergeSort(left), mergeSort(right)
17  );
18}
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