I’ve had a lot of people ask how React rendering actually works. So I recorded a short video where I walk through it visually. No code. No theory overload. Just a clear, step-by-step view of what happens when React renders and re-renders a component. If rendering has ever felt confusing or “magical,” this video should make it click. Watch the video and let me know: What part of React rendering was unclear before this? Connect with me to talk modern frontend and React workflows: Shivam Kori #React #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #LearningInPublic #DeveloperEducation #BuildInPublic

Today I finally understood how React works behind the scenes, and it made everything click: 🔹 Virtual DOM keeps a lightweight UI copy 🔹 Reconciliation compares changes efficiently 🔹 Fiber schedules and prioritizes rendering work 🔹 React DOM updates only the required parts of the real DOM 📌 Key takeaway: React doesn’t re-render the whole page — it calculates minimal changes and updates only what’s needed, making apps fast and smooth. Understanding the fundamentals makes React feel less like magic and more like logic 💙 #ReactJS #FrontendDevelopment #LearningInPublic #JavaScript #Hitesh Choudhary

⚛️ React Props vs State – A Quick Breakdown Both props and state help manage data in React, but they have different roles. Props are used to pass data from parent to child components and are read-only. State is used to manage data inside a component and can change over time, triggering re-renders. 👉 Use props for configuration and data flow 👉 Use state for dynamic and interactive UI Mastering this concept is essential for writing clean, scalable React applications 🚀 #ReactJS #FrontendDevelopment #TailwindCSS #JavaScript #ReactBasics #WebDev #W3School

Day 18 – JavaScript Challenge Built a “Load More Images” feature using React, focusing on incremental data loading and smooth user experience. This project helped me understand how modern applications handle large datasets efficiently. Key learnings: *Implemented “Load More” functionality *Dynamic rendering of images *State management using React hooks *Improved performance by loading content gradually Each project is helping me bridge the gap between React concepts and real-world frontend development. #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #ReactHooks #UIFeatures #100DaysOfCode #DeveloperJourney

🗝️ Why Keys Are Important in React Lists (Most Devs Ignore This) If you’ve ever seen weird UI bugs in lists… chances are, keys were the problem 😅 Let’s understand why 👇 🔹 What is a key in React? A key is a unique identifier that helps React track list items. {items.map(item => ( <Item key={item.id} /> ))} 🔹 Why React Needs Keys ✔ Identifies which items changed ✔ Improves rendering performance ✔ Prevents unnecessary re-renders ✔ Avoids UI mismatch bugs 🔹 Common Mistake 🚫 key={index} Using index as key breaks UI when: ❌ Items are reordered ❌ Items are added/removed 💡 Best Practice 👉 Always use a stable & unique id 👉 Only use index as key if the list never changes 📌 Real-World Impact Correct keys = faster UI + fewer bugs 📸 Daily React tips on Instagram: 👉 https://lnkd.in/g7QgUPWX 💬 Do you still use index as key sometimes? Be honest 😄 👍 Like | 🔁 Repost | 💭 Comment #React #ReactJS #FrontendDevelopment #JavaScript #WebDev #ReactTips #DeveloperLife

🚀 Event Handling in React JS – Explained Simply (with Examples) Event handling is one of the most important concepts in React. It allows users to interact with your UI—like clicking a button, submitting a form, or typing in an input—and trigger logic behind the scenes. 🔹 What is Event Handling in React? Event handling in React is how we respond to user actions (events) such as onClick, onChange, onSubmit, etc. React uses camelCase syntax for events and passes functions, not strings. 🔹 Common Mistake: Function Call vs Function Reference explained :as small mistakes leads to big issues 🔹 Key Points to Remember ✔ Always pass a function reference to event handlers ✔ Use arrow functions when passing parameters ✔ React events are synthetic events (work consistently across browsers) ✔ Proper event handling improves UI behavior and performance ✨ Mastering event handling is a big step toward building interactive and scalable React applications. #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningReact #CodingTips #ReactHooks #EventHandling

React Components & Reusability One of the most powerful concepts in React is component reusability. Instead of rewriting the same UI logic multiple times, reusable components help us: ✅ Keep code clean and maintainable ✅ Reduce duplication and bugs ✅ Scale applications faster By designing components with clear responsibilities and flexible props, we can build interfaces that are easy to reuse across different pages and features. Small, reusable components lead to cleaner architecture and better user experience. Build once. Reuse everywhere. #ReactJS #FrontendDevelopment #ReusableComponents #CleanCode #WebDevelopment #JavaScript

Actively learning React and enjoying the shift from static pages to component-based UI. Currently focusing on: • breaking UI into reusable components • understanding props, state, and basic hooks • managing UI updates and data flow • writing cleaner, more structured frontend code React is helping me think differently about building interfaces — not just how they look, but how they behave. Learning step by step, staying consistent, and building every day 🚀 #React #ReactJS #FrontendDevelopment #JavaScript #WebDeveloper #LearningInPublic #JuniorDeveloper

📝 iTask | React Todo Manager Built iTask, a clean and functional Todo Manager using React and Tailwind CSS. It helps users manage daily tasks efficiently with a smooth, responsive UI. ✨ Features: Add, edit, delete, and complete todos Persistent storage using localStorage Toggle visibility of completed tasks Simple, distraction-free interface This project strengthened my understanding of React hooks, state management, and real-world CRUD logic. Source Code - https://lnkd.in/dDYBc45T #ReactJS #TailwindCSS #JavaScript #FrontendDevelopment #WebDevelopment #Projects #LearningByBuilding

🧠 Advanced Frontend Insight Most Developers Miss Frontend complexity doesn’t come from UI. It comes from state transitions over time. Most bugs appear not because: - a component is wrong - a hook is misused …but because the UI doesn’t clearly define: - what happens before an action - what happens during an async operation - what happens after failure or success If your UI can’t answer those 3 states clearly, it will eventually break — no matter how clean the code looks. #FrontendEngineering #AdvancedFrontend #ReactJS #StateManagement #WebPerformance #UIArchitecture #SoftwareEngineering #DeveloperMindset #FrontendDevelopment #WebDevelopment #ResponsiveDesign #JavaScript #TailwindCSS #TechCommunity #SoftwareDevelopment