JAVASCRIPT

javascript factorial

function factorial(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * factorial(n - 1);
}

Factorial function javascript

function getFact(number) {
    let fact = 1;
    for (var i = 1; i <= number; i++) {
        fact = fact * i;
    }
    return fact;
}
console.log(getFact(5))
//Output: 120

factorial function javascript

    function factorial(n) {
        if (n > 1) {
            return n * factorial(n - 1);
        }
        return 1;
    }

Program for factorial of a number in javascript

<script>
// Javascript to find factorial
// of given number
 
// function to find factorial
// of given number
function factorial(n) {
  if (n == 0) return 1;
  return n * factorial(n - 1);
}
 
// Driver Code
let num = 5;
document.write("Factorial of " + num + " is " + factorial(num));
 

</script>

how to return a factorial in javascript

function factorial(n) {
    if (n == 1) {
        return 1;
    }
    return n * factorial(n - 1);
}
console.log(factorial(6));

javascript factorial of a number

const factorial = n => n <= 1 ? 1 : n * factorial(n - 1);

// Examples
factorial(2);   // 2
factorial(3);   // 6

js how to calculate factorial

// @ts-check
/* ---------------------------------- using a loop --------------------------------- */
(() => {
  function factorial(n) {
    if (n < 0) return;

    let result = 1;

    for (let i = 2; i <= n; i++) {
      result *= i;
    }

    return result;
  }

  console.log(factorial(4)); // => 24
  console.log(factorial(0)); // => 1
  console.log(factorial(-2)); // => undefined
})();

/* ------------------------------ recursive way----------------------------- */
(() => {
  function factorial(n) {
    if (n < 0) return;
    if (n == 0) return 1;

    return n == 1 ? 1 : n * factorial(n - 1);
  }

  console.log(factorial(5)); // => 120
  console.log(factorial(0)); // => 1
})();

JavaScript Find Factorial

// program to find the factorial of a number
function factorial(x) {

    // if number is 0
    if (x === 0) {
        return 1;
    }

    // if number is positive
    else {
        return x * factorial(x - 1);
    }
}
const num = 3;
// calling factorial() if num is non-negative
if (num > 0) {
    let result = factorial(num);
    console.log(`The factorial of ${num} is ${result}`);
}

Factorial Function Javascript

var factorial = 1;
function myfact(fact) {
    for (let i = 1; i <= 5; i++) {
        factorial = factorial * i;
    }
    return factorial;
}
console.log(myfact(factorial))
 // Output: 120

how to write a factorial function in javascript

function factorial(num){
	return num === 1 ? 1 : num * factorial(num - 1) 
}