Welcome to Part 3 of the URL Shortener Project in Node.js! In this session, we'll dive into handling form submissions using POST methods, validating URLs, and storing data in JSON files. This step is crucial for making the app dynamic and interactive. By the end of this video, you’ll be able to: Handle POST requests in Node.js Validate user input to ensure valid URLs Read and write to JSON files dynamically Reset form fields after submission 📌 Key Takeaways: Form data handling with POST methods URL validation and error handling Managing JSON files for persistent data storage Preventing duplicate short links 💸 Get All My YouTube Videos' Source Code for just ₹249! Grab Now - https://thapatechnical.shop/source-code 📺 Watch the complete Node.JS Playlist here :https://youtube.com/playlist?list=PLwGdqUZWnOp3KELplHtc-RnJ5xTUPqdgH&si=_ob8F88HYxCdspup 🔥 Access Source Code, PPT & Notes here for Free : https://www.thapatechnical.com/2024/11/introduction-to-nodejs.html ------------------------------------------------------------------------ 🚀 Boost Your Skills with these Pre-Requisite Videos: 🔗 Best HTML Course - https://youtu.be/5ccq_nLHneE 🔗 Best CSS Course - https://youtu.be/MSICFljRcb4 🔗 JavaScript Basics Course Part 1 - https://youtu.be/13gLB6hDHR8 🔗 JavaScript Advanced Course Part 2 - https://youtu.be/YwsOCN8woA8 ------------------------------------------------------------------------ 💸 Build Your Own E-commerce Website for Free! - https://www.thapatechnical.com/2024/03/build-complete-ecommerce-website-using.html ------------------------------------------------------------------------ ✌️ Join Us! 🚀 Become a Member: Unlock perks, free source code, and more Join Now : https://www.youtube.com/channel/UCwfaAHy4zQUb2APNOGXUCCA/join 📷 Connect on Instagram: https://www.instagram.com/thapatechnical 🗨️ Join Our Discord Server: Hang out with fellow programmers Discord Link: https://discord.gg/MdScmCsua6 ------------------------------------------------------------------------ ⌛TIMELINE⏳ 0:00 - Intro to URL Shortener Project (Part 3) 0:15 - Today's Coding Agenda 2:05 - Like, Share & Subscribe Reminder 2:20 - Code Updates from Previous Video 3:30 - Handling POST Method for Form Data 7:00 - Validating URL Input 8:42 - Checking for Duplicate URLs/Short Codes 11:10 - Reading Data from links.json 13:00 - Important FS Module Tutorial 21:05 - Writing Data to links.json 27:10 - Passing HTML Form Data to Node.js 31:40 - Error Handling in Code 34:20 - Resetting Form Fields After Submission 35:00 - Quick Recap