factorial recursive

factorialRecursive.js

function factorial(n) {
  if (n == 0 || n == 1) {
    return 1;
  } else {
    console.log("running"); // should run 5 times 
    return n * factorial(n - 1);
  }
}

console.log(factorial(5)); //5*4*3*2*1 = 120