Free Code Camp JS Path *solutions

fcc_solutions.js

/*
      Recursion
*
      A function that evokes itself within its lexical scope
*
*/

function factorialize(num) {
      
    // If the number is less than 0, reject it.
    if (num < 0) {
        return -1;
    }
    // If the number is 0, its factorial is 1.
    else if (num == 0) {
        return 1;
    }
    // Otherwise, call this recursive procedure again.
    else {
        return (num * factorialize(num - 1));
    }
}

factorialize(5);              // 120



/* 

Step 2

*/