Factorial of a number

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Sun May 08 2022 04:41:18 GMT+0000 (Coordinated Universal Time)

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function factorial(n) {
  if ((n === 0) || (n === 1))
    return 1;
  else
    return (n * factorial(n - 1));
}
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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/Functions