1function sumPrimes(num) {
2  let i = 1;
3  let sum = 0;
4  while (i <= num) {
5    if (isPrime(i)) {
6      sum += i;
7    }
8    i++;
9  }
10  return sum;
11}
12//function to check if a number is prime or not
13function isPrime(x) {
14  for (let i = 2; i < x; i++) {
15    if (x % i === 0) return false;
16  }
17  return x !== 1 && x !== 0;
18}
19//test here
20sumPrimes(10);