function sumFibs(num) {
  if (num === 1) {
    return 1;
  }

  let fibs = [1, 1];

  while (fibs[fibs.length - 1] <= num) {
    fibs.push(fibs[fibs.length - 1] + fibs[fibs.length - 2]);
  }

  if (fibs[fibs.length - 1] > num) {
    fibs.pop();
  }

  let odds = fibs.filter((n) => n % 2);

  return odds.reduce((accumulator, currentValue) => accumulator + currentValue);
}
console.log(sumFibs(1000));