Today I solved LeetCode #20 – Valid Parentheses using JavaScript and successfully passed all 103 test cases! 🎯
The problem looks simple at first, but it is a great example of how choosing the right data structure can make a solution both clean and efficient. The goal is to determine whether a string containing (), {}, and [] is valid. Every opening bracket must have the correct closing bracket, and brackets must close in the proper order. I solved it using a Stack. The approach is straightforward: Create …
