Answers for "how to factorialize a number in javascript"

19

javascript factorial

function factorial(n) {
  if (n < 0) return;
  if (n < 2) return 1;
  return n * factorial(n - 1);
}
Posted by: Guest on May-24-2020
1

factorial javascript

// Simple arrow function solution
var factorial = n => (n <= 0) ? 1: n * factorial(n - 1);
Posted by: Guest on June-29-2020
0

factorial function javascript

function factorial(n) {
        if (n > 1) {
            return n * factorial(n - 1);
        }
        return 1;
    }
Posted by: Guest on December-30-2020
0

factorial in javascript

// program to find the factorial of a number

// take input from the user
const number = parseInt(prompt('Enter a positive integer: '));

// checking if number is negative
if (number < 0) {
    console.log('Error! Factorial for negative number does not exist.');
}

// if number is 0
else if (number === 0) {
    console.log(`The factorial of ${number} is 1.`);
}

// if number is positive
else {
    let fact = 1;
    for (i = 1; i <= number; i++) {
        fact *= i;
    }
    console.log(`The factorial of ${number} is ${fact}.`);
}

//output
Enter a positive integer: 5
The factorial of 5 is 120.
Posted by: Guest on August-07-2021

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