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  1. Prepare
  2. Tutorials
  3. 10 Days of Javascript
  4. Day 1: Functions

Day 1: Functions

Objective

Today, we're discussing JavaScript functions. Check out the attached tutorial for more details.

Task

Implement a function named factorial that has one parameter: an integer, . It must return the value of (i.e., factorial).

Input Format

Locked stub code in the editor reads a single integer, , from stdin and passes it to a function named factorial.

Constraints

Output Format

The function must return the value of .

Sample Input 0

4

Sample Output 0

24

Explanation 0

We return the value of .