Challenge: Find Second Maximum Value in an Array

Given an array of size n, can you find the second maximum element in the array? Implement your solution in JavaScript and see if your output matches the correct output!

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Problem Statement #

Implement a function findSecondMaximum(arr), which returns the second largest element in the array.

Note 1: Input array will contain at least two unique elements.

Note 2: Input array will not contain Number.NEGATIVE_INFINITY value.

Input #

An array of integers

Output #

The second largest element in the array

Sample Input #

[9,2,3,6]

Sample Output #

6

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