Using while loop, code to the serie 0, 1, 1, 2, 3, 5, 8, 13, 21, 34

Script
let a = 0;
let b = 1;
let c = 0;
let result = '';
while (c <= 10) {
  result += a + ",";
  a = b;
  b = c;
  c = a + b;
}