Abinash Sahoo’s Post

🚀 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

React Learning Series | Contd... #Day3: React Element vs React Component (and how React treats them internally). 🔺 A React component is just a function: function Button() { return <button>Click me</button>; }. Think of it as a factory. 🔺 A React element is a plain JavaScript object describing what should appear on the screen. <Button /> ⬇️ becomes React.createElement(Button, {}) ⬇️ becomes { type: Button, props: {}, key: null, ref: null } Now, in the next render of this Element in UI. React reconciliation happens. React compares previous elements vs new elements 👉 Same type + key → update 👉 Different type → destroy & recreate ✴️ Important: React diffs elements, not components. Hope this helps. 🙂 #React #FrontendDevelopment

𝗘𝘀𝗰𝗮𝗽𝗶𝗻𝗴 𝘁𝗵𝗲 "𝗧𝘂𝘁𝗼𝗿𝗶𝗮𝗹 𝗛𝗲𝗹𝗹" – 𝗠𝘆 𝗷𝗼𝘂𝗿𝗻𝗲𝘆 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝘁𝗵𝗲 𝗥𝗲𝗮𝗰𝘁𝗝𝗦 𝗹𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗰𝘂𝗿𝘃𝗲 🚀 They say the best way to learn React is to build React. So, I stopped watching tutorials and started coding. 💻 Here is how I tackled the React learning curve, one project at a time:  1. 𝗠𝗮𝗿𝗸𝗱𝗼𝘄𝗻 𝗣𝗿𝗲𝘃𝗶𝗲𝘄𝗲𝗿: The "Hello World" of state management. Learned how to handle real-time input changes and render dynamic content instantly.   2. 𝗖𝗼𝗰𝗸𝘁𝗮𝗶𝗹𝘀 𝗟𝗶𝘀𝘁𝗶𝗻𝗴: My first deep dive into useEffect and fetching data from APIs. Handling loading states and async data was a game-changer.   3. 𝗦𝗵𝗼𝗽𝗽𝗶𝗻𝗴 𝗖𝗮𝗿𝘁: This was the boss battle. 🛒 I moved away from simple state and embraced useReducer to manage complex cart logic (add, remove, total calculation).   4. 𝗣𝗮𝗴𝗶𝗻𝗮𝘁𝗶𝗼𝗻 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁: Logic meets UI. Breaking down large datasets into manageable chunks taught me so much about conditional rendering and component reuse. The shift from "thinking in DOM manipulation" to "thinking in State" was tricky at first, but seeing these apps come to life makes it worth it. 𝗪𝗵𝗮𝘁 𝘄𝗮𝘀 𝘁𝗵𝗲 𝗽𝗿𝗼𝗷𝗲𝗰𝘁 𝘁𝗵𝗮𝘁 𝗳𝗶𝗻𝗮𝗹𝗹𝘆 𝗺𝗮𝗱𝗲 𝗥𝗲𝗮𝗰𝘁 "𝗰𝗹𝗶𝗰𝗸" 𝗳𝗼𝗿 𝘆𝗼𝘂? 👇 #ReactJS #WebDevelopment #FrontendDev #CodingJourney #100DaysOfCode #JavaScript

Thinking of Learning React? Here’s One Piece of Honest Advice: Don’t start React by memorizing syntax. Start by understanding why React exists. React isn’t about JSX, hooks, or fancy libraries. It’s about thinking in components and managing state predictably. If you’re just starting, focus on this order: Solid JavaScript fundamentals (arrays, objects, functions, async) Break UI into small, reusable components Understand state vs props deeply Learn effects only when you feel the pain they solve Add tools (Redux, routers, optimizations) when needed, not on day one The biggest mistake beginners make? Trying to build big apps before mastering small thinking. React rewards clarity, not complexity. Learn slowly. Build often. Break things. Fix them. That’s how real understanding sticks. #ReactJS #FrontendDevelopment #LearningToCode #WebDevelopment #JavaScript #TechAdvice

𝗗𝗮𝘆 𝟵 𝗼𝗳 𝟙𝟝– 𝗟𝗲𝗮𝗿𝗻𝗶𝗻𝗴 𝗙𝗼𝗿𝗺𝘀 𝗶𝗻 𝗥𝗲𝗮𝗰𝘁 Today I explored how to create and manage forms in React and learned that there are multiple ways to handle input state and validation. The first and more traditional approach is managing each input field using useRef or useState. This works fine for small forms, but as the number of fields increases, the code becomes harder to manage and error handling requires more manual work. Then I learned about a better and cleaner approach using an external library called react-hook-form. With react-hook-form: • Input state becomes easier to manage • Validation is built-in and simple • Error handling is more structured • Code stays clean and readable • Performance is improved with fewer re-renders This comparison really helped me understand why developers prefer libraries like react-hook-form for scalable applications instead of handling everything manually. I’m enjoying this learning process step by step and building a stronger foundation in React every day. 𝗗𝗮𝘆 𝟵/𝟙𝟝 completed. #ReactJS #WebDevelopment #LearningInPublic #30DaysOfReact #FrontendDevelopment #JavaScript #reacthookform #CodingJourney

When I started learning React, I made mistakes that slowed me down more than bugs ever did. 𝐌𝐢𝐬𝐭𝐚𝐤𝐞 #𝟏: Writing everything in one component ✔ Fixed by breaking UI into reusable components. 𝐌𝐢𝐬𝐭𝐚𝐤𝐞 #𝟐 Ignoring state structure ✔ Learned to keep state minimal and meaningful. 𝐌𝐢𝐬𝐭𝐚𝐤𝐞 #𝟑: Jumping to advanced tools too early ✔ Focused first on core React concepts like props, hooks, and lifecycle. React became much simpler once I respected the basics. If you’re learning React right now — trust me — basics will take you far. #ReactTips #FrontendDevelopment #JavaScript #WebDev #CodingJourney

🚀 Understanding Redux by Building My Own Redux Library (Learning by Doing!) As a React developer, I always used Redux, but recently I decided to understand how Redux actually works internally instead of treating it like a black box. So I explored the core ideas behind a custom ReduxLibrary 👇 🔹 Core Concepts I Focused On Single source of truth (store) State updates via actions Pure reducer function Subscribe & notify mechanism Dispatch flow 🔹 Simple Redux-like Store (Core Logic) function createStore(reducer) { let state; let listeners = []; function getState() { return state; } function dispatch(action) { state = reducer(state, action); listeners.forEach(listener => listener()); } function subscribe(listener) { listeners.push(listener); return () => { listeners = listeners.filter(l => l !== listener); }; } dispatch({ type: "@@INIT" }); return { getState, dispatch, subscribe }; } 🔹 Reducer Example function counterReducer(state = { count: 0 }, action) { switch (action.type) { case "INCREMENT": return { count: state.count + 1 }; case "DECREMENT": return { count: state.count - 1 }; default: return state; } } 🔹 How Dispatch Works (Internally) 1️⃣ dispatch(action) is called 2️⃣ Reducer receives previous state + action 3️⃣ Reducer returns new state (immutably) 4️⃣ Store updates state 5️⃣ All subscribers (React components) are notified 💡 Key Learnings Redux is just JavaScript, no magic Reducers must be pure functions State updates are predictable & traceable Understanding internals improves debugging & architecture decisions This exercise helped me write better Redux code, avoid unnecessary re-renders, and clearly explain Redux in interviews. 📌 If you’re learning React/Redux, I highly recommend implementing a mini Redux yourself at least once. #ReactJS #Redux #JavaScript #FrontendDevelopment #LearningByDoing #WebDevelopment #InterviewPrep #CleanCode

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

𝐒𝐭𝐨𝐩 𝐦𝐞𝐦𝐨𝐫𝐢𝐳𝐢𝐧𝐠 𝐑𝐞𝐚𝐜𝐭 𝐬𝐲𝐧𝐭𝐚𝐱. 𝐒𝐭𝐚𝐫𝐭 𝐫𝐞𝐚𝐝𝐢𝐧𝐠 𝐜𝐨𝐝𝐞. When I started learning React, I believed progress meant remembering syntax, hooks, and patterns by heart. I tried to memorize how things worked instead of understanding why they worked. That approach didn’t last long. The moment I began building real projects, I realized something important: React is not about how much you remember. It’s about how well you understand structure, flow, and intent I made mistakes early on. I copied code without fully reading it. I fixed bugs without understanding their cause. Sometimes the app worked, but I didn’t know why it worked. That’s when I changed how I learn. Instead of jumping between tutorials, I slowed down. I started reading code line by line. I explored components written by others. I asked myself simple questions: What is this state doing? Why is this effect here? How does this data move through the component? This shift changed everything. Reading code helped me recognize patterns. It taught me how experienced developers think. It showed me that clean logic matters more than clever syntax. React became less confusing once I stopped treating it like something to memorize and started treating it like something to understand. Now, when something breaks, I don’t rush to rewrite it. I read the code. I trace the flow. I let the logic explain itself. There’s still a lot to learn. There will be more mistakes ahead. But now I know how to approach them — calmly, thoughtfully, and with curiosity. 𝐔𝐧𝐝𝐞𝐫𝐬𝐭𝐚𝐧𝐝𝐢𝐧𝐠 𝐜𝐨𝐝𝐞 𝐢𝐬 𝐚 𝐬𝐤𝐢𝐥𝐥. 𝐀𝐧𝐝 𝐥𝐢𝐤𝐞 𝐚𝐧𝐲 𝐬𝐤𝐢𝐥𝐥, 𝐢𝐭 𝐠𝐞𝐭𝐬 𝐛𝐞𝐭𝐭𝐞𝐫 𝐰𝐢𝐭𝐡 𝐭𝐢𝐦𝐞. #ReactJS #WebDevelopment #FrontendDevelopment #FullStackDevelopment #LearningByDoing #BuildInPublic #DeveloperJourney #JavaScript #SoftwareEngineering #DevelopersOfLinkedIn

💛 #JSMadeEasy with Virashree After learning Execution Context → Scope → Closures → Promises → Async/Await I realised something important 👇 - JavaScript concepts don’t exist in isolation. - They quietly show up every day when we write React code. - Closures in event handlers - Async/Await in API calls - Scopes inside components - Promises behind data fetching Earlier, I was just using these things. Now, I’m finally understanding them. And that shift makes a huge difference. Learning JavaScript deeply gave me more confidence in React — not because I memorised syntax, but because I know why the code works. I’m still learning. Still improving. Still asking questions. But now the fear is gone — curiosity has replaced it 💛 Next in this journey 👉 React Hooks — starting with useState (made easy) 🚀 If you’re learning JS or React right now — you’re not behind. You’re building foundations. #learninginpublic #javascript #reactjs #frontenddevelopment #womenintech