Factorial

PHOTO EMBED

Fri Dec 03 2021 16:43:34 GMT+0000 (Coordinated Universal Time)

Saved by @tolanisirius 

function factorial(n) {
  let result = 1;
  for (let i = 1; i <= n; i++) {
    result = result * i;
  }
  return result;
}
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https://www.jshero.net/en/koans/factorial.html