17-Arrow Functions.js

/*
*-------------------------
*       Problem Info
*-------------------------

* Direct Link: https://www.hackerrank.com/challenges/js10-arrows/problem
* Difficulty: Easy
* Max Score: 15
* Language: JavaScript (Node.js)

* ------------------------
*         Solution
* ------------------------
*/

/*
 * Modify and return the array so that all even elements are doubled and all odd elements are tripled.
 *
 * Parameter(s):
 * nums: An array of numbers.
 */
function modifyArray(nums) {
  return nums.map(n => (n % 2 == 0 ? n * 2 : n * 3));
}