Final program

Array.js

function Reverse(samparr, begin, end) {
  while (begin < end) {
    temp = samparr[begin];
    samparr[begin] = samparr[end];
    samparr[end] = temp;
    begin = begin + 1;
    end = end - 1;
  }
}

function Rotate(samparr, d, n) {
  if (d == 0) {
    return;
  }
  Reverse(samparr, 0, d - 1);
  Reverse(samparr, d, n - 1);
  Reverse(samparr, 0, n - 1);
}

function Logger(samparr, n) {
  for (i = 0; i < n; i++) {
    console.log(samparr[i]);
  }
}

let inparray = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15];
let n = inparray.length;
let d = 5
Rotate(inparray, d, n);
Logger(inparray, n)