Boost React Native App Performance with Native Modules

🚀 Confused about JavaScript libraries and frameworks? In this video, we explain in Tamil: ✔️ Angular – Used for building large-scale web applications ✔️ React – Used for creating fast and interactive user interfaces ✔️ Node.js – Used for backend development and servers ✔️ React Native – Used for building mobile apps 💡 If you're starting your coding journey, this is the perfect place to begin! Follow Payilagam for more simple tech explanations in Tamil 🎯 #JavaScript #LearnCoding #ReactJS #Angular #NodeJS #ReactNative #WebDevelopment

Modern ReactJS Tech Stack for Building Production Web Apps (2026) React is just the beginning. Building a real production web application requires a powerful ecosystem of tools. Here's a visual breakdown of the most commonly used tools with ReactJS in modern web development. The stack includes tools for: State management. Routing. API handling. Styling. Testing. Code quality Package management Whether you're a junior developer learning React or a senior frontend engineer designing scalable apps, understanding this ecosystem is essential. Saving this stack will help you quickly remember the core tools used in real-world React projects. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #TypeScript #SoftwareEngineering #ReactDeveloper #CodingCommunity #TechStack #Programming

❌ 3 mistakes I made as a React Developer (so you don’t have to) With 3.5+ years in frontend development, I’ve learned that writing code is not enough — writing scalable and maintainable code matters more. When I started, I focused only on “making things work.” But I ignored some important things 👇 1️⃣ Ignoring Performance → My applications became slow and difficult to scale 2️⃣ Writing Non-Reusable Components → Code became messy, repetitive, and hard to maintain 3️⃣ Poor State Management → Debugging became frustrating and time-consuming 💡 What I learned: ✔ Think about performance from the beginning ✔ Build reusable and modular components ✔ Use proper state management (Redux Toolkit / Context API) ✔ Write code for long-term scalability, not just quick fixes 👉 Growth starts when you learn from your mistakes. The best lessons in development usually come from the mistakes we make. What mistake taught you the most in your development journey? #ReactJS #FrontendDevelopment #LearningInPublic #JavaScript #TypeScript

Most React developers write code that works. Few write code that *lasts*. After building 50+ React projects, here are the patterns that separate good developers from great ones: **1. Stop overusing useEffect** Most side effects don't belong there. If you're syncing state with props using useEffect, you're creating bugs before they happen. Derive state directly instead. **2. Colocate your state** State that only one component uses should live in that component — not in a global store. Lifting state too high is one of the biggest performance killers I see in codebases. **3. Memoize intentionally, not defensively** Wrapping everything in useMemo and useCallback isn't optimization — it's noise. Profile first. Optimize what actually hurts. **4. Build for readability, not cleverness** Your future self (and your team) will thank you. A component that's easy to understand is easier to maintain, debug, and scale. **5. Treat your custom hooks like APIs** Clear inputs, predictable outputs, single responsibility. If your hook is doing three things, it should probably be three hooks. React isn't hard. Writing *maintainable* React is where most developers plateau. The developers companies want to hire aren't just shipping features — they're building foundations other people can confidently build on top of. Which of these do you struggle with the most? Drop it in the comments — let's talk through it. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering

👉 Why JavaScript is Everywhere 🌍💻 JavaScript isn’t just a language… it’s an ecosystem 🔥 With one language, you can build almost everything: ☕ Frontend → Interactive websites (HTML, CSS, JS) ⚙️ Backend → APIs & servers (Node.js) 📱 Mobile Apps → React Native 🖥️ Desktop Apps → Electron 🤖 Machine Learning → TensorFlow.js 🚀 One language… unlimited possibilities. Are you using JavaScript for frontend, backend, or both? 👇 #JavaScript #WebDevelopment #FrontendDevelopment #BackendDevelopment #FullStackDeveloper #Coding #Programming #Developer #Tech #NodeJS #ReactJS #SoftwareDevelopment #WebDev #Developers #LearnToCode

👉 Why JavaScript is Everywhere 🌍💻 JavaScript isn’t just a language… it’s an ecosystem 🔥 With one language, you can build almost everything: ☕ Frontend → Interactive websites (HTML, CSS, JS) ⚙️ Backend → APIs & servers (Node.js) 📱 Mobile Apps → React Native 🖥️ Desktop Apps → Electron 🤖 Machine Learning → TensorFlow.js 🚀 One language… unlimited possibilities. Are you using JavaScript for frontend, backend, or both? 👇 #JavaScript #WebDevelopment #FrontendDevelopment #BackendDevelopment #FullStackDeveloper #Coding #Programming #Developer #Tech #NodeJS #ReactJS #SoftwareDevelopment #WebDev #Developers #LearnToCode

Most developers learn React… But very few learn how to structure React apps properly. That’s where React Patterns make all the difference 👇 ⚛️ 5 React Patterns Every Developer Should Know 1️⃣ Container / Presentational Pattern ↳ Separate logic from UI 👉 Cleaner code + easier testing 2️⃣ Custom Hooks Pattern ↳ Extract reusable logic into hooks 👉 Write less, reuse more 3️⃣ Compound Components Pattern ↳ Build flexible, composable components 👉 Better control over UI structure 4️⃣ Render Props Pattern ↳ Share logic using functions as children 👉 High reusability & flexibility 5️⃣ Controlled Components Pattern ↳ Parent manages form state 👉 Essential for forms & inputs 💡 Here’s the truth: Great React developers don’t just write components… They use the right patterns at the right time. 🚀 Master these patterns and you’ll: ✅ Write scalable applications ✅ Improve code reusability ✅ Crack frontend interviews ✅ Stand out as a React developer #React #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #Programming #SoftwareEngineering #Coding #Developers #Tech #UIDevelopment #LearnToCode #100DaysOfCode #CodingTips #Frontend

Starting my journey in mobile development with React Native, and I ran into a small issue today that taught me something important. I was trying to use an arrow function with a dynamic string, but my output wasn’t working as expected. After digging into it, I realized I was using single quotes instead of backticks for template strings and also referencing an undefined variable. It seems like a small mistake, but it helped me understand: • The difference between regular strings and template literals • How JavaScript handles variables inside strings • The importance of paying attention to small syntax details Every bug is a lesson. Today’s lesson: small details matter more than you think. Looking forward to learning more and building better. #ReactNative #JavaScript #100DaysOfCode #BeginnerDeveloper #LearningInPublic

🚀 React API Integration — Clean & Professional Way While working on React applications, API integration is something we do daily. But many developers still make this mistake 👇 ❌ Calling API directly inside component body This causes multiple API calls on every render. ✅ Correct Approach — useEffect useEffect(() => { fetchUsers() }, []) Why this works? • Runs only once on mount • Prevents unnecessary calls • Improves performance 💡 Pro Tip: Always handle loading & error state const [loading, setLoading] = useState(false) const [error, setError] = useState(null) This makes your UI production ready. I'm currently exploring advanced React & MERN stack concepts daily. Follow for more React learning 🚀 #reactjs #mernstack #frontenddeveloper #javascript #reactdeveloper #webdevelopment

❌ 5 Mistakes Every React Native Beginner Makes. 1️⃣ Deep nesting of components Too many <View> → inside <View> → inside <View> makes layout slow. 2️⃣ Using too many re-renders (missing memoization) Missing React.memo, useCallback, useMemo = wasted renders. 3️⃣ Overusing setState Store only essential state. Derive the rest. 4️⃣ Heavy work on JS thread Large loops, JSON parsing, timers → freeze UI. Move heavy tasks to native or use libraries like react-native-reanimated, react-native-mmkv, or Background tasks. 5️⃣ Not using FlatList properly Missing keyExtractor, getItemLayout, or using inline functions hurts scroll performance. Use FlatList’s optimization props + memoize item components. Avoid these → your apps will instantly feel faster. React Native isn’t tough… Bad patterns make it tough. #ReactNativeTips #Performance #LearningJourney #JavaScript| #ReactNative #RN