factorial program in javascript w3schools code example
Example 1: javascript factorial
function factorial(n) {
if (n < 0) return;
if (n < 2) return 1;
return n * factorial(n - 1);
}
Example 2: factorial javascript function
function factorialize(num) {
if(num < 2) return 1;
return num *= factorialize(num - 1);
}
Example 3: factorial javascript
// Simple arrow function solution
var factorial = n => (n <= 0) ? 1: n * factorial(n - 1);