It works on the Javascript editor but not when I put it into freecodecamp

JavaScript
1

Tell us what’s happening:

Your code so far


function factorialize(num) {
  var a = 1;
  for (i = 1 + num; i <= num; i++){
      a = a * i;
    }
  return a
  
}

factorialize(5);

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.99 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/basic-algorithm-scripting/factorialize-a-number/

2

It says i is not defined.

4

Thank you it worked!