get a number and return factorial JS 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);
}