JavaScript Factorial
function factorial(n) {
if (n < 0) return;
if (n < 2) return 1;
return n * factorial(n - 1);
}
TC5550
function factorial(n) {
if (n < 0) return;
if (n < 2) return 1;
return n * factorial(n - 1);
}// Simple arrow function solution
var factorial = n => (n <= 0) ? 1: n * factorial(n - 1);function factorialize(num) {
if(num < 2) return 1;
return num *= factorialize(num - 1);
}const factorial = n => n <= 1 ? 1 : n * factorial(n - 1);
// Examples
factorial(2); // 2
factorial(3); // 6// 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}`);
}