Use the Rest Operator with Function Parameter

Tell us what’s happening:

Your code so far


const sum = (function() {
  "use strict";
  return function sum(...n) {
    const args = [ ...n ];
    return args.reduce((a, b, ...n) => 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/70.0.3538.77 Safari/537.36.

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

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