This content originally appeared on DEV Community and was authored by DPC
Daily JavaScript Challenge: Valid Mountain Array
Hey fellow developers! 
Welcome to today’s JavaScript coding challenge. Let’s keep those programming skills sharp!
The Challenge
Difficulty: Medium
Topic: Array Manipulation
Description
Determine if a given array of integers is a valid mountain array. A valid mountain array is defined as an array that starts with an increasing sequence of integers, reaches a peak, and then follows a strictly decreasing sequence until the end of the array. The length of the array must be at least 3, and there has to be at least one element before and after the peak.
Ready to Begin?
- Fork this challenge
- Write your solution
- Test it against the provided test cases
- Share your approach in the comments below!
Want to Learn More?
Check out the documentation about this topic here: https://leetcode.com/problems/valid-mountain-array/
Join the Discussion!
- How did you approach this problem?
- Did you find any interesting edge cases?
- What was your biggest learning from this challenge?
Let’s learn together! Drop your thoughts and questions in the comments below. 
This is part of our Daily JavaScript Challenge series. Follow me for daily programming challenges and let’s grow together! 
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This content originally appeared on DEV Community and was authored by DPC