1function getIndexToIns(arr, num) {
2  return arr.filter(val => num > val).length;
3}
4

1function getIndexToIns(arr, num) {
2  arr.sort((a, b) => a - b);
3
4  for (let i = 0; i < arr.length; i++) {
5    if (arr[i] >= num)
6      return i;
7  }
8
9  return arr.length;
10}
11