Longest Substring Without Repeating Characters in JavaScript Telugu 🚀 | Sliding Window | DSA

Learn how to solve the Longest Substring Without Repeating Characters problem using JavaScript and the Variable-Size Sliding Window technique in Telugu! 🚀 In this video, we explain how to use two pointers and a JavaScript Set to find the maximum length of a substring without duplicate characters. 📌 Example: Input: "abcabcbb" Output: 3 Explanation: The longest substring without repeating characters is "abc", with a length of 3. 🔥 What you'll learn: ✅ What is a substring? ✅ Variable-Size Sliding Window ✅ Using left and right pointers ✅ Tracking unique characters with Set ✅ Removing duplicate characters efficiently ✅ Calculating window length ✅ Using Math.max() to track the maximum length ✅ Time Complexity: O(n) 💻 Technologies and concepts: JavaScript, Strings, Set, Two Pointers, Sliding Window, Data Structures and Algorithms. 🎯 This tutorial is useful for JavaScript developers, React developers, DSA beginners, and coding interview preparation. 👍 Like the video if you find it helpful. 💬 Answer the technical quiz in the comments. 🔔 Subscribe to Crack React & Flask with Ram for more JavaScript, React, Python, Flask, and DSA tutorials. #JavaScript #SlidingWindow #DSA #JavaScriptTelugu #CodingInterview #TwoPointers