Tell me please. Why is my code not working? where is my mistake?

JavaScript
1

Tell us what’s happening:

Your code so far


const sum = (function() {
  "use strict";
  return function sum(...num) {
    return num.reduce((a, b) => a + b, 0);
  };
})();
console.log(sum(1, 2, 3)); // 6

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/74.0.3729.169 Safari/537.36.

Link to the challenge:
https://learn.freecodecamp.org/javascript-algorithms-and-data-structures/es6/use-the-rest-operator-with-function-parameters

2

The tests expect you to use args as parameter of the function

3

Thanks for the answer