Lessons from a Small Mistake in React Native Development

🔹 React Basics: Props vs State (Explained Simply) When starting with React, one of the most important concepts to understand is the difference between Props and State. Here’s a simple breakdown 👇 👉 Props (Properties) • Passed from parent to child components • Read-only (cannot be modified) • Used to make components reusable 👉 State • Managed within the component • Can be updated using hooks like `useState` • Controls dynamic data and UI behavior 💡 In short: Props help you pass data, while State helps you manage data. Understanding this difference is key to building scalable and maintainable React applications. If you're learning React, mastering these fundamentals will make your journey much smoother 🚀 💬 What topic should I cover next in React? #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #LearningInPublic #SoftwareDevelopment #CodingJourney #Developers

Tired of searching for the same React Native code every single time? Every developer has been there, losing hours on setup that should take minutes. Navigation, API calls, global state, local storage & clean stylesheets these 5 snippets cut through the noise and get you building faster. 🚀 No more wasted time. Just clean, copy-paste ready code. 💻 Comment "CODE" below and we'll DM you 30+ React Native snippets instantly! #ReactNative #MobileDevelopment #JavaScript #AppDevelopment #CodeSnippets #100DaysOfCode #DevCommunity #DianApps

💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? In React Native, "ScrollView" 𝗿𝗲𝗻𝗱𝗲𝗿𝘀 𝙖𝙡𝙡 𝗶𝘁𝘀 𝗰𝗵𝗶𝗹𝗱𝗿𝗲𝗻 𝗮𝘁 𝗼𝗻𝗰𝗲, while "FlatList" renders items 𝗹𝗮𝘇𝗶𝗹𝘆 as they appear on screen. 🔧 Why this matters: - "ScrollView" is fine for 𝘀𝗺𝗮𝗹𝗹, 𝘀𝘁𝗮𝘁𝗶𝗰 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 - But for long lists, it can cause 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗶𝘀𝘀𝘂𝗲𝘀 𝗮𝗻𝗱 𝗺𝗲𝗺𝗼𝗿𝘆 𝗯𝗹𝗼𝗮𝘁 - "FlatList" is optimized for large datasets with better performance 𝗥𝘂𝗹𝗲 𝗼𝗳 𝘁𝗵𝘂𝗺𝗯: Small list → "ScrollView" Large/dynamic list → "FlatList" Choosing the right component = better performance. #ReactNative #MobileDevelopment #PerformanceOptimization #JavaScript #AppDevelopment #SoftwareEngineering #CodingTips #React #FullstackDeveloper

Excited to Share My React JS Notes! I’ve put together a comprehensive React JS guide covering key concepts, fundamentals, and practical insights to strengthen frontend development skills. - What’s inside: • Core React concepts • Components & Props • State & Lifecycle • Hooks overview • Best practices This document is a part of my continuous learning journey in frontend development. I hope it helps others who are starting or revising React! Always open to feedback and discussions—let’s grow together. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #Learning #Developers #MERNStack

I recently worked on a project where I had to optimize the performance of a Next.js application It was a real challenge, and I made a mistake that cost me hours of debugging I was trying to implement a complex UI pattern using React But I forgot to memoize a component, causing it to re-render unnecessarily As I was debugging, I had a realization that I should have used the React DevTools to identify the issue earlier This would have saved me a lot of time and frustration A practical takeaway from this experience is to always use the React DevTools to identify performance bottlenecks It's a simple yet effective way to optimize the performance of your React applications What's the most common mistake you've made when optimizing the performance of a React application #NextJs #React #PerformanceOptimization #FrontendEngineering #UIPatterns #ReactDevTools #JavaScript #WebDevelopment #OptimizationTechniques

❌ 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

Unpopular opinion: Most people using React Native don’t actually understand mobile development. They understand React. So when things break outside JavaScript, everything starts to feel like “React Native is bad.” It’s not. You just can’t fake your way around: – native modules – performance bottlenecks – platform behavior React Native is powerful, but only in the hands of people willing to go beyond the surface. Everyone else? They’re just hoping it works. #thatreactnativeguy #mobiledevelopment #reactnative #react

🚀 Day 7/100 – React Native Mastery 🔄 Today’s Topic: State in React Native State helps us manage changing data and update UI dynamically. In today’s PDF: ✔ What is State ✔ useState Hook ✔ Counter app example 📥 Get all PDFs & resources: https://t.me/jobmint https://lnkd.in/gUxk3mqi #ReactNative #100DaysOfCode #JavaScript #MobileDevelopment #Frontend

React and React Native look similar on the surface. But building a real project in both teaches you things no tutorial will. A few honest takeaways: ❌ Assuming web knowledge directly transfers ✅ It mostly does — but mobile adds a whole new layer: gestures, safe areas, platform-specific behaviour ❌ Styling the same way you do on web ✅ Embrace StyleSheet and flexbox in React Native. Fighting it will cost you hours. ❌ Ignoring performance early ✅ FlatList over ScrollView for long lists. Memoize where it matters. Mobile is less forgiving than a browser. ❌ Treating navigation as an afterthought ✅ Plan your navigation structure before you write a single screen. One codebase, two platforms, a lot of lessons. Still building — but already learning more than I expected. Save this if you're thinking of making the jump to React Native 🔖 #ReactNative #ReactJS #JavaScript #MobileDev #Frontend #LearnInPublic

🚀 Why TypeScript is Important in React & Next.js Building apps with React & Next.js is powerful… But as your project grows, managing code becomes challenging 👇 That’s where TypeScript changes the game 💡 🧩 1. Catch Errors Early 👉 TypeScript finds bugs during development ✔ Reduces runtime errors ✔ Saves debugging time ⚡ 2. Better Developer Experience 👉 Smart autocomplete & IntelliSense ✔ Faster coding ✔ Less confusion in large codebases 🧱 3. Scalable Applications 👉 Strong typing keeps code structured ✔ Easy to manage large projects ✔ Improves readability & maintainability 🔁 4. Easier Refactoring 👉 Modify code confidently ✔ Type safety prevents breaking changes ✔ Ideal for long-term projects ⚡ Key Benefits ✔ Fewer production bugs ✔ Cleaner & maintainable code ✔ Better collaboration in teams ✔ Production-ready applications 🧠 When should you use it? 👉 Small apps → Optional 👉 Medium/Large apps → Highly recommended 👉 Team projects → Must-have 🔥 Reality Check: Most modern React & Next.js projects are now built using TypeScript 💬 Are you using TypeScript in your projects or still on JavaScript? #TypeScript #React #NextJS #Frontend #WebDevelopment #JavaScript #Coding #SoftwareEngineering