DSA with JavaScript #3 – Map in JavaScript | LeetCode Problem Explained

Published: 20 August 2025
on channel: Quick Coding with Modassar

Welcome to Part 3 of our Data Structures and Algorithms (DSA) in JavaScript series!

In this video, we focus on the Map data structure in JavaScript — how it works, when to use it, and how it helps in solving coding problems efficiently. We’ll also walk through a popular LeetCode question using Map, explaining the logic clearly step-by-step.

📌 In this video:

What is Map in JavaScript?

Difference between Map and Object

Why Map is useful in DSA

Real LeetCode problem solved using Map

Time and space complexity explained

🚀 This is a beginner-friendly tutorial designed for students, developers, and interview prep.

🎥 Full Playlist: • DSA

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