Write a JavaScript for calculating the factorial of a number. code example
Example 1: javascript factorial of a number
const factorial = n => n <= 1 ? 1 : n * factorial(n - 1);
// Examples
factorial(2); // 2
factorial(3); // 6
Example 2: how to make a factorial function in javascript
function factorialize(num) {
var result = num;
if (num === 0 || num === 1)
return 1;
while (num > 1) {
num--;
result *= num;
}
return result;
}