Aadhar gaur’s Post

I used to think learning React meant mastering class components. this.state this.setState componentDidMount It felt… complicated. And honestly, fragile. Then Hooks arrived — and everything changed. Not because Hooks were faster. But because they were simpler to reason about. With class components: Logic was split across lifecycle methods this binding caused bugs Reusing logic meant HOCs or render props With Hooks: State lives next to the logic that uses it Side effects are explicit Logic is reusable through custom hooks Same rendering engine. Same performance. But far fewer mistakes. That’s the real shift. The insight: Hooks didn’t replace classes because classes were bad. They replaced them because the mental model was too complex. The takeaway: If you’re learning React today — Hooks aren’t just an option. They’re the default way to think. Classes still work. Hooks scale better. 💬 Curious — did Hooks make React easier for you, or harder at first? #ReactJS #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #ReactInterview #SoftwareEngineering #CleanCode

🚀 React Learning: Reusing Components in a Loop Today I learned one of the most powerful concepts in React JS — reusing components using loops ♻️ Instead of writing the same UI again and again, React allows us to: 👉 Store data in an array of objects 👉 Use map() to loop through the data 👉 Reuse a single component by passing different props 💡 Why this matters? ✔ Cleaner and shorter code ✔ Easy to maintain and scale ✔ Real-world approach used in production apps ✔ Makes UI dynamic and reusable This concept helped me understand how React handles dynamic data and component-based architecture in a much better way. Step by step, building stronger fundamentals 💪 Learning React isn’t about memorizing syntax — it’s about thinking in components 🧠⚛️ #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningJourney #ReactLearning #Props #Components #100DaysOfCode #DeveloperLife

𝗛𝗼𝘄 𝗜 𝗦𝘁𝗿𝗲𝗻𝗴𝘁𝗵𝗲𝗻𝗲𝗱 𝗠𝘆 𝗥𝗲𝗮𝗰𝘁 𝗙𝘂𝗻𝗱𝗮𝗺𝗲𝗻𝘁𝗮𝗹𝘀 (𝗮𝗻𝗱 𝘄𝗵𝘆 𝗶𝘁 𝗶𝗺𝗽𝗿𝗼𝘃𝗲𝗱 𝗺𝘆 𝗰𝗼𝗱𝗶𝗻𝗴 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵) Over the last few months, I made a conscious decision to focus on React basics instead of rushing into advanced topics. That one decision changed the way I build frontend applications. 𝙃𝙚𝙧𝙚'𝙨 𝙬𝙝𝙖𝙩 𝙝𝙚𝙡𝙥𝙚𝙙 𝙢𝙚 𝙩𝙝𝙚 𝙢𝙤𝙨𝙩: • 𝘉𝘶𝘪𝘭𝘥𝘪𝘯𝘨 𝘴𝘮𝘢𝘭𝘭 𝘣𝘶𝘵 𝘤𝘰𝘮𝘱𝘭𝘦𝘵𝘦 𝘤𝘰𝘮𝘱𝘰𝘯𝘦𝘯𝘵𝘴 𝘪𝘯𝘴𝘵𝘦𝘢𝘥 𝘰𝘧 𝘤𝘰𝘱𝘺𝘪𝘯𝘨 𝘭𝘢𝘳𝘨𝘦 𝘵𝘦𝘮𝘱𝘭𝘢𝘵𝘦𝘴  • 𝘜𝘯𝘥𝘦𝘳𝘴𝘵𝘢𝘯𝘥𝘪𝘯𝘨 𝘩𝘰𝘸 𝘴𝘵𝘢𝘵𝘦 𝘢𝘯𝘥 𝘳𝘦-𝘳𝘦𝘯𝘥𝘦𝘳𝘴 𝘢𝘤𝘵𝘶𝘢𝘭𝘭𝘺 𝘸𝘰𝘳𝘬  • 𝘜𝘴𝘪𝘯𝘨 𝘶𝘴𝘦𝘌𝘧𝘧𝘦𝘤𝘵 𝘰𝘯𝘭𝘺 𝘸𝘩𝘦𝘯 𝘵𝘳𝘶𝘭𝘺 𝘯𝘦𝘦𝘥𝘦𝘥  • 𝘉𝘳𝘦𝘢𝘬𝘪𝘯𝘨 𝘜𝘐 𝘪𝘯𝘵𝘰 𝘳𝘦𝘶𝘴𝘢𝘣𝘭𝘦, 𝘮𝘢𝘪𝘯𝘵𝘢𝘪𝘯𝘢𝘣𝘭𝘦 𝘤𝘰𝘮𝘱𝘰𝘯𝘦𝘯𝘵𝘴  • 𝘗𝘳𝘢𝘤𝘵𝘪𝘤𝘪𝘯𝘨 𝘈𝘗𝘐 𝘪𝘯𝘵𝘦𝘨𝘳𝘢𝘵𝘪𝘰𝘯 𝘢𝘯𝘥 𝘱𝘳𝘰𝘱𝘦𝘳 𝘭𝘰𝘢𝘥𝘪𝘯𝘨/𝘦𝘳𝘳𝘰𝘳 𝘩𝘢𝘯𝘥𝘭𝘪𝘯𝘨 I also realized that strong fundamentals make debugging easier and code cleaner. Once the basics became clear, building dashboards and real-world features felt much more structured and confident. Still learning every day but mastering the foundation first has been one of the best decisions in my React journey. What helped you strengthen your React fundamentals? #reactjs #frontenddevelopment #javascript #webdevelopment #coding  

🚀 Unlock Your React Potential with Hands-On Learning 👉 Most developers don’t struggle with React Hooks because they’re hard — they struggle because learning is not interactive enough. Docs and tutorials explain what hooks do, but rarely help you experiment, visualize, and apply them in real scenarios. So I built React Hooks Learning Platform 🎯 A structured, hands-on platform to learn React Hooks the way they’re meant to be learned — by doing. 🔍 What makes it different? ✅ Structured learning paths (Beginner → Advanced) ✅ Progress tracking & achievements ✅ Best practices & real-world patterns ✅ Common mistakes explained clearly 🧠 Hooks covered useState, useEffect, useContext, useReducer useCallback, useMemo, useRef, useTransition Custom Hooks 🔗 Start learning: https://react.thedroid.in 📩 Contact: rohanujagare24@gmail.com Would love feedback from the React community 🙌 Which React Hook did you find hardest to understand when you started? #React #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #BuildInPublic #FrontendDeveloper

useEffect mistakes I made (and how I fixed them) ⚛️ Sharing real lessons from my React journey 👇 When I started learning React, useEffect felt simple… until it started breaking my app in ways I couldn’t explain 😅 Here are some real mistakes I made with useEffect — and what finally made it click: ❌ Mistake 1: Forgetting the dependency array At first, I wrote useEffect without dependencies and wondered why my API was getting called again and again. Fix: Always ask yourself: 👉 When should this effect run? Once → [] On state/prop change → [state] ❌ Mistake 2: Putting everything inside one useEffect I used to handle API calls, event listeners, and calculations inside a single useEffect. Fix: One effect = one responsibility Split effects based on what they do, not where they live. ❌ Mistake 3: Infinite re-render loop I updated state inside useEffect and added that same state to the dependency array. Boom 💥 infinite loop. Fix: Avoid unnecessary state updates Derive values when possible Double-check dependencies before adding them ❌ Mistake 4: Ignoring cleanup functions I forgot to clean up event listeners and timers — everything worked until performance tanked. Fix: Return a cleanup function: useEffect(() => { window.addEventListener("resize", handleResize); return () => window.removeEventListener("resize", handleResize); }, []); ❌ Mistake 5: Treating useEffect like componentDidMount I tried to do everything inside useEffect. Fix: Event handlers → stay in functions Derived values → useMemo Callbacks → useCallback useEffect is for side effects, not business logic. 💡 Final takeaway useEffect is powerful, but only when you understand why it runs, not just how to use it. If you’re learning React — these mistakes are normal. Debugging them is what actually levels you up 🚀 👉 What’s the biggest useEffect mistake you made? #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningInPublic #ReactHooks

🚀 My React JS Learning Journey Today, I explored Class Component Lifecycle Methods and understood how a React component lives, updates, and exits the DOM. 🔄 React Class Component Lifecycle Phases 1️⃣ Mounting Phase ➡️ When a component is created and inserted into the DOM 🔹 constructor() – Initialize state & bind methods 🔹 render() – Returns JSX 🔹 componentDidMount() – Perfect for API calls & side effects 2️⃣ Updating Phase ➡️ When state or props change 🔹 shouldComponentUpdate() – Controls re-rendering 🔹 render() – Re-renders UI 🔹 componentDidUpdate() – Responds to state/prop changes 3️⃣ Unmounting Phase ➡️ When a component is removed from the DOM 🔹 componentWillUnmount() – Cleanup (timers, subscriptions) 💡 Key Takeaways ✔️ Lifecycle methods help manage data fetching, performance, and cleanup ✔️ Understanding these phases builds a strong React foundation ✔️ Makes the transition to Hooks (useEffect) much easier 📌 Learning React step by step and enjoying the journey! 📈 More updates coming soon… #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #LearningJourney #ClassComponents #ReactLifecycle 10000 Coders

Things I misunderstood about React when I was a beginner 👇 When I started learning React, I thought I “got it”… but looking back, I misunderstood a lot. Sharing this in case it helps someone who’s where I was 👇 1️⃣ React is just JavaScript with magic I focused too much on JSX and not enough on core JavaScript. Once I strengthened JS (closures, array methods, async), React suddenly felt easier. 2️⃣ More components = better code I broke everything into tiny components without understanding why. Now I think more about reusability, readability, and the actual responsibility of a component. 3️⃣ State can live anywhere I used useState everywhere and ended up with messy prop drilling. Learning state lifting, derived state, and when NOT to use state was a game-changer. 4️⃣ Re-renders are bad I was scared of re-renders. Later, I learned: re-renders are normal. Unnecessary re-renders are the real problem. 5️⃣ Hooks are just syntax I memorised hooks instead of understanding the rules behind them. Once I understood why hooks exist, bugs were reduced drastically. 6️⃣ If it works, it’s fine My apps worked… but weren’t scalable. Learning folder structure, separation of concerns, and clean patterns made a huge difference. React isn’t hard — misunderstanding fundamentals makes it hard. If you’re learning React right now: 👉 Don’t rush 👉 Master JavaScript 👉 Build real projects 👉 Make mistakes (they teach the most) If you’re experienced, what’s one React misconception you had early on? #ReactJS #FrontendDevelopment #WebDevelopment #LearningInPublic #JavaScript #DeveloperJourney #Programming

🚨 The mistake most developers make They think becoming better means: - Learning another framework - Watching more tutorials - Writing more code But real growth started for me when I focused on: - Understanding problems deeply - Debugging instead of guessing - Designing before coding - Writing code other people can maintain - Anyone can make things work. Not everyone can make things last. Frameworks change. Engineering thinking doesn’t. What helped you grow the most as a developer: 👉 Building projects 👉 Or fixing real bugs? Comment “Projects” or “Bugs” 👇 #SoftwareEngineering #DeveloperGrowth #EngineeringMindset #BackendDevelopment #ProblemSolving #CareerInTech #TechLeadership #BuildInPublic #NodeJS #NestJS

This image is a React.js cheatsheet that lays out the entire React learning roadmap—from fundamentals to advanced, production-ready concepts. Left side = Core React Intro concepts: JSX, Virtual DOM, SPAs Setup: create-react-app, components, props Hooks: useState, useEffect, useContext, etc. Rendering, forms, styling, routing, testing Right side = Scaling & Best Practices Data fetching (REST, GraphQL, Axios) Performance optimization TypeScript with React UI libraries (MUI, Chakra, Tailwind, shadcn/ui) Custom hooks, HOCs, common mistakes Mini projects + portfolio ideas It’s basically a “from zero to job-ready React dev” map in one view. Why this cheatsheet is valuable 🧠 Helps beginners see what to learn next 🔁 Helps intermediates spot gaps 🚀 Helps advanced devs revise best practices 📂 Perfect for saving, revising, and sharing If React feels overwhelming, this image turns it into a structured checklist instead of chaos. React.js isn’t just a library—it’s a mindset for building scalable UIs ⚛️ This cheatsheet breaks down the full React journey: from JSX & hooks → routing, optimization, TypeScript, and real projects. Save this if you’re learning React or building your frontend roadmap 🚀 #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #LearnReact #MERN

This image is a React.js cheatsheet that lays out the entire React learning roadmap—from fundamentals to advanced, production-ready concepts. Left side = Core React Intro concepts: JSX, Virtual DOM, SPAs Setup: create-react-app, components, props Hooks: useState, useEffect, useContext, etc. Rendering, forms, styling, routing, testing Right side = Scaling & Best Practices Data fetching (REST, GraphQL, Axios) Performance optimization TypeScript with React UI libraries (MUI, Chakra, Tailwind, shadcn/ui) Custom hooks, HOCs, common mistakes Mini projects + portfolio ideas It’s basically a “from zero to job-ready React dev” map in one view. Why this cheatsheet is valuable 🧠 Helps beginners see what to learn next 🔁 Helps intermediates spot gaps 🚀 Helps advanced devs revise best practices 📂 Perfect for saving, revising, and sharing If React feels overwhelming, this image turns it into a structured checklist instead of chaos. React.js isn’t just a library—it’s a mindset for building scalable UIs ⚛️ This cheatsheet breaks down the full React journey: from JSX & hooks → routing, optimization, TypeScript, and real projects. Save this if you’re learning React or building your frontend roadmap 🚀 #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #LearnReact #MERN