javascript factorial word code example

Example 1: javascript factorial

function factorial(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * factorial(n - 1);
}

Example 2: javascript factorial with closure

function calcularFatorial(num) {
  return num > 1 ? num * calcularFatorial(num - 1) : 1;
}