remove non prime numbers js

1var numArray = [2, 3, 4, 5, 6, 7, 8, 9, 10]
2
3numArray = numArray.filter((number) => {
4  for (var i = 2; i <= Math.sqrt(number); i++) {
5    if (number % i === 0) return false;
6  }
7  return true;
8});
9
10console.log(numArray);