Welcome to this JavaScript coding challenge! In this video, we'll dive deep into solving the problem of finding the longest substring without repeating characters. Whether you're a beginner looking to sharpen your coding skills or a seasoned developer seeking a refresher, this tutorial is for you. I'll walk you through the logic step-by-step, explaining key concepts and best practices along the way.br br By the end of this video, you'll not only understand how to tackle this specific problem but also gain insights into string manipulation and efficient algorithm design in JavaScript.