My developer journey from curiosity to code

🚀 Preventing Default Form Submission (React Development) This code demonstrates how to prevent the default form submission behavior in React. The `handleSubmit` function is called when the form is submitted. `event.preventDefault()` is called to prevent the browser from reloading the page. This allows the React component to handle the form submission logic. This is crucial for single-page applications where you want to handle form submissions without a full page refresh. 👉Download our app to access 10,000+ concise concepts, 60+ subjects and 4,000+ articles — explore now. 📱App : https://lnkd.in/gefySfsc 🌐 Visit our website for more resources. 🌐 Website : https://lnkd.in/guvceGZ3 👉 Learn smarter — 10,000+ concise concepts, 4,000+ articles, and 12,000+ topic-wise quiz questions, personalized by AI. Dive in now! 📱 Get the app: https://lnkd.in/gefySfsc 🌐 Explore more on our website. 🌐 Website : https://lnkd.in/guvceGZ3 #ReactJS #Frontend #WebDev #React #professional #career #development

🚀 State in React Components State represents the internal data of a React component that can change over time. When the state of a component changes, React re-renders the component to reflect the updated data. State is typically managed within a component using the `useState` hook in functional components or the `this.state` and `this.setState` methods in class components. Proper state management is crucial for building interactive and dynamic user interfaces in React applications. Understanding how and when to update the state is essential for efficient rendering and optimal performance. 📚 Learn something new every day — your future self will thank you! ✨ Tech mastery made simple — 10,000+ concepts, 4,000+ articles, 12,000+ quizzes. Powered by AI! 📲 Download the app: https://lnkd.in/gefySfsc 🌐 Learn more: https://techielearn.in #ReactJS #Frontend #WebDev #React #professional #career #development

🚀 Rendering Lists with Array.map() (React Development) The `Array.map()` method is commonly used to iterate over an array and transform each element into a React component. Inside the `map` function, you create the JSX for each item in the list. Remember to add the `key` prop to the outermost element returned by the `map` function. The `key` prop should ideally be a unique identifier from your data (e.g., an ID from a database). 🌟 Smart learning > Hard working 🚀 Accelerate your tech journey — 10k+ bite-sized concepts, 4k+ deep-dive articles, 12k+ quizzes! 📱 Get the app: https://lnkd.in/gefySfsc 💻 Explore more: https://techielearn.in #ReactJS #Frontend #WebDev #React #professional #career #development

🚀 𝐄𝐱𝐩𝐥𝐨𝐫𝐢𝐧𝐠 𝐑𝐞𝐚𝐜𝐭’𝐬 “𝐋𝐢𝐟𝐭𝐢𝐧𝐠 𝐒𝐭𝐚𝐭𝐞 𝐔𝐩” 𝐭𝐡𝐫𝐨𝐮𝐠𝐡 𝐚 𝐋𝐨𝐭𝐭𝐞𝐫𝐲 𝐆𝐚𝐦𝐞 I recently built a 𝐑𝐞𝐚𝐜𝐭 𝐋𝐨𝐭𝐭𝐞𝐫𝐲 𝐆𝐚𝐦𝐞 to strengthen my understanding of 𝐬𝐭𝐚𝐭𝐞 𝐦𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 𝐚𝐧𝐝 𝐜𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 𝐡𝐢𝐞𝐫𝐚𝐫𝐜𝐡𝐲 in React. -- Here’s how the flow works 👇 🎯 𝐓𝐢𝐜𝐤𝐞𝐭𝐍𝐮𝐦 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 → Generates 3 random numbers 🎟️ 𝐓𝐢𝐜𝐤𝐞𝐭 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 → Combines 3 TicketNum components 🎰 𝐋𝐨𝐭𝐭𝐞𝐫𝐲 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 → Checks if the sum equals 15, displays “Congratulations!” on winning, and lets users buy a new ticket 🧩 𝐀𝐩𝐩 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 → Renders the Lottery component -- 📂 𝐂𝐨𝐦𝐩𝐨𝐧𝐞𝐧𝐭 𝐇𝐢𝐞𝐫𝐚𝐫𝐜𝐡𝐲: App    └── Lottery      └── Ticket         └── TicketNum The key concept applied was 𝐋𝐢𝐟𝐭𝐢𝐧𝐠 𝐒𝐭𝐚𝐭𝐞 𝐔𝐩 — keeping the state in the parent component and passing functions as props down the hierarchy. This approach made the data flow clean, predictable, and easy to manage — a perfect hands-on example of React’s unidirectional data flow in action. 🎥 Attaching a short demo video of the working project! -- 𝘌𝘷𝘦𝘳𝘺 𝘱𝘳𝘰𝘫𝘦𝘤𝘵 𝘪𝘴 𝘢 𝘴𝘵𝘦𝘱 𝘧𝘰𝘳𝘸𝘢𝘳𝘥 𝘪𝘯 𝘮𝘺 𝘙𝘦𝘢𝘤𝘵 𝘫𝘰𝘶𝘳𝘯𝘦𝘺 — 𝘭𝘦𝘢𝘳𝘯𝘪𝘯𝘨 𝘣𝘺 𝘣𝘶𝘪𝘭𝘥𝘪𝘯𝘨! —  𝑷𝒂𝒗𝒊𝒕𝒉𝒓𝒂 𝑺𝒉𝒂𝒓𝒎𝒂 ✨ -- #ReactJS #FrontendDevelopment #WebDevelopment #LiftingStateUp #JavaScript #LearningByDoing #ReactJourney #StateManagement

🚀 After 2 Years in Full-Stack Development — Here’s What Really Matters > 💡 Writing code is easy. Building a system that scales, stays stable, and stays simple — that’s real development. A few months ago, I optimized a Next.js + Node app and reduced API response time from 1.2s → 280ms. ⚙️ No new framework. 🤖 No AI shortcuts. Just smart caching, clean pagination, and proper async handling. That’s when I stopped chasing new libraries — and started chasing system design thinking. Here’s the mindset shift that completely changed the way I build 👇 🔹 Don’t just code features → Design scalable flows 🔹 Don’t ask “does it work?” → Ask will it still work at 100× scale? 🔹 Don’t fix bugs later → Prevent them with good architecture today 🔥 True growth as a developer isn’t about learning more tools — it’s about learning to think like an architect. 💬 What’s one mindset shift that made you a better developer? #FullStackDeveloper #Nextjs #Nodejs #SystemDesign #CleanArchitecture #Scalability #MERN #EngineeringMindset #WebPerformance #Developers

🔥“Money Manager State Logic Challenge” 🔥 💡 "This one looks simple — but it’s trickier than it seems!" I recently built a small Money Manager web app in React — a project that looked easy at first glance, but ended up teaching me a lot about state management and conditional logic 🧠 Here’s the challenge I ran into 👇 Whenever you add or delete a transaction, the app has to: Update income, expenses, and available balance correctly. React instantly to whether the user picked “Income” or “Expansive.” Prevent negative values. And most importantly — stay consistent even when deleting older entries or adding new ones in random order. This meant a simple setState() wasn’t enough. I implemented a recalculation helper function that goes through the entire list every time and rebuilds totals: available = totalIncome - totalExpense That one line became the core logic — ensuring our data stays accurate no matter what the user does 🔄 Then I redesigned the UI to make it fully responsive, added a table view for transaction history, and swapped the old “Delete” button with a clean trash icon 🗑️ This was a great reminder that even the smallest apps can hide complex logic under the hood — and that’s what makes frontend development so interesting 💻✨ 🧩 Tech stack: React.js | Tailwind CSS | UUID | Functional Components + Class Components 🚀 Key learning: Never underestimate the power of a good state recalculation function — it can save your entire app from inconsistent UI updates. 💬 Have you ever had a “small” feature that turned into a big logic challenge? Drop your experience in the comments! #️⃣ Trending hashtags: #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #StateManagement #TailwindCSS #UIDesign #CodingChallenge #100DaysOfCode #WebDevCommunity #LearningInPublic #TechJourney #Developers #CleanCode #SoftwareEngineering #ProjectShowcase

🚀 𝟱 𝗥𝗲𝗮𝗰𝘁 𝗦𝗲𝗰𝗿𝗲𝘁𝘀 𝗘𝘃𝗲𝗿𝘆 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 𝗦𝗵𝗼𝘂𝗹𝗱 𝗞𝗻𝗼𝘄 If you’ve been building React apps for a while, you probably know the basics — components, props, and hooks. But the real growth starts when you go beyond that — when you start thinking about performance, clean code, and scalability. ⚛️ In this post, I’m breaking down 5 practical React tricks that’ll instantly level up 𝗵𝗼𝘄 𝘆𝗼𝘂 𝘄𝗿𝗶𝘁𝗲 𝗮𝗻𝗱 𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 𝘆𝗼𝘂𝗿 𝗮𝗽𝗽𝘀: 💡 1️⃣ 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗲 𝗥𝗲-𝗿𝗲𝗻𝗱𝗲𝗿𝘀 — Learn how React.memo, useCallback, and useMemo can prevent unnecessary updates and make your UI buttery smooth. ⚙️ 2️⃣ 𝗦𝗺𝗮𝗿𝘁 𝗦𝘁𝗮𝘁𝗲 𝗠𝗮𝗻𝗮𝗴𝗲𝗺𝗲𝗻𝘁 — Stop prop drilling and start using Context API or lightweight libraries like Zustand or Jotai for better state handling. 🎯 3️⃣ 𝗖𝘂𝘀𝘁𝗼𝗺 𝗛𝗼𝗼𝗸𝘀 — Reuse logic like a pro. Move repetitive code (fetching, validation, etc.) into reusable custom hooks. ⚡ 4️⃣ 𝗟𝗮𝘇𝘆 𝗟𝗼𝗮𝗱𝗶𝗻𝗴 + 𝗖𝗼𝗱𝗲 𝗦𝗽𝗹𝗶𝘁𝘁𝗶𝗻𝗴 — Improve load times using React.lazy and Suspense to load components only when needed. 🧩 5️⃣ 𝗘𝗿𝗿𝗼𝗿 𝗕𝗼𝘂𝗻𝗱𝗮𝗿𝗶𝗲𝘀 — Catch crashes gracefully and keep your UI stable even when things go wrong. These small tweaks lead to massive improvements in performance, maintainability, and developer experience. 🔥 𝑆𝑎𝑣𝑒 𝑡ℎ𝑖𝑠 𝑝𝑜𝑠𝑡 𝑖𝑓 𝑦𝑜𝑢’𝑟𝑒 𝑠𝑒𝑟𝑖𝑜𝑢𝑠 𝑎𝑏𝑜𝑢𝑡 𝑏𝑒𝑐𝑜𝑚𝑖𝑛𝑔 𝑎 𝑠𝑡𝑟𝑜𝑛𝑔𝑒𝑟 𝑅𝑒𝑎𝑐𝑡 𝑑𝑒𝑣𝑒𝑙𝑜𝑝𝑒𝑟. 💬 Which of these have you already mastered? Or which one do you want me to deep dive into next? 👇 #ReactJS #FrontendDevelopment #WebDevelopment #CleanCode #Learning

⚡ “React just taught my UI how to fake confidence — introducing useOptimistic() 😏” Let’s be real… Users hate waiting ⏳ Developers hate slow APIs 🐢 And managers hate when users hate waiting 😬 So React 19 said: || “Fine, let’s just pretend everything is instant.” Enter the hero: 🦸♀️ useOptimistic() 💡 What It Does It lets your UI act like something succeeded instantly, even before your server actually confirms it. Basically — your frontend says “Done ✅” while your backend is still stretching and yawning 😴 🧩 Example Time User clicks “❤️ Like Post” → React: “Show +1 instantly!” Server: “Wait, I’m still saving…” React: “Shhh, the user’s happy. Don’t ruin the vibe 😌” 🎭 The truth behind it: useOptimistic() gives you two things: const [optimisticState, addOptimistic] = useOptimistic(state, updateFn); When you call addOptimistic(), your UI updates immediately, then the server catches up later. No more waiting… no more spinners... no more “Did my click work?” anxiety 😅 🌍 Real-world problems it fixes: 💬 Chat apps: show your message instantly while it sends ❤️ Like buttons: update counts right away 🛒 E-commerce carts: item appears instantly after clicking “Add to cart” 📝 Comments: appear immediately instead of after 2 seconds of sadness 😂 Fun fact: Before useOptimistic(), devs were like: || “Let’s show a fake loader, then a fake success message, then a fake delay...” Basically — optimism with anxiety 😬 Now it’s built-in and actually clean ✨ ⚙️ In short: ✅ Feels instant ✅ Keeps UX smooth ✅ Easy to implement ✅ Makes your app look blazing fast (even if your API isn’t 🐢) #React19 #ReactJS #Frontend #WebDevelopment #JavaScript #useOptimistic #CodingHumor #DeveloperLife #UXDesign #JavaScript #WebDevelopment #CodingHumor #FrontendDevelopment #TechEducation #ProgrammingFun #LearnToCode #CodeNewbie #DeveloperCommunity #100DaysOfCode

⚛️ 𝗥𝗲𝗮𝗰𝘁 𝗧𝗶𝗽 𝗳𝗼𝗿 𝗡𝗲𝘄 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 — 𝗪𝗵𝗮𝘁 𝗔𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗖𝗵𝗮𝗻𝗴𝗲𝘀 𝘁𝗵𝗲 𝗨𝗜? If you’re new to React, one of the biggest mindset shifts you’ll experience is understanding how State and Props control your UI. Mastering this is the key to building dynamic, real-time React applications. 🧩 𝗣𝗿𝗼𝗽𝘀 — 𝗧𝗵𝗲 𝗘𝘅𝘁𝗲𝗿𝗻𝗮𝗹 𝗜𝗻𝗽𝘂𝘁𝘀 Think of props as data passed from a parent component to a child — they define how your component looks or what it displays. They’re read-only, meaning they can’t be changed by the component itself. 👉 𝗘𝘅𝗮𝗺𝗽𝗹𝗲: Passing a title, username, or product info as props. Clean, reusable, and perfect for component composition. ⚙️ 𝗦𝘁𝗮𝘁𝗲 — 𝗧𝗵𝗲 𝗜𝗻𝘁𝗲𝗿𝗻𝗮𝗹 𝗠𝗲𝗺𝗼𝗿𝘆 State lives inside your component. It’s mutable, meaning it can change anytime — and whenever it does, React re-renders only the affected part of the UI using the Virtual DOM. 👉 𝗘𝘅𝗮𝗺𝗽𝗹𝗲: In a counter app, clicking “+” updates the state, and React instantly updates the count on the screen. In a shopping cart, state might control quantity, total price, or item selection. 🧠 𝐈𝐧 𝐒𝐡𝐨𝐫𝐭: 𝗣𝗿𝗼𝗽𝘀 = External Data (coming from parent components) 𝗦𝘁𝗮𝘁𝗲 = Internal Data (managed and updated within the component) This separation is what makes React fast, predictable, and efficient. Once you understand how props and state work together, React’s entire rendering logic starts to click. ⚡ ✨ 𝐂𝐡𝐚𝐥𝐥𝐞𝐧𝐠𝐞: Can you think of a real-world example that uses both props and state together? (𝐇𝐢𝐧𝐭: 𝐓𝐨𝐝𝐨 𝐥𝐢𝐬𝐭, 𝐟𝐨𝐫𝐦 𝐢𝐧𝐩𝐮𝐭𝐬, 𝐨𝐫 𝐬𝐡𝐨𝐩𝐩𝐢𝐧𝐠 𝐜𝐚𝐫𝐭 😉) Drop your answer in the comments — let’s help others learn from your example! 👇 credit - Saad Arif #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactHooks #CodingJourney #BuildInPublic #FrontendEngineer #SoftwareDevelopment #CodeTips #ReactCommunity #code #DeveloperCommunity #LearnInPublic #TechLearning #webdev

🚀𝐍𝐞𝐰𝐬 𝐀𝐩𝐩 (𝐑𝐞𝐚𝐜𝐭 + 𝐍𝐞𝐰𝐬𝐀𝐏𝐈) As part of a recent upskilling initiative, I developed a News Aggregator Application leveraging React and NewsAPI, focusing on performance, scalability, and a seamless user experience. ⚙️ 𝐓𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐎𝐯𝐞𝐫𝐯𝐢𝐞𝐰 • 𝐃𝐲𝐧𝐚𝐦𝐢𝐜 𝐀𝐏𝐈 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧: Implemented flexible parameter-based data fetching (country, category, and keyword) using Axios, ensuring efficient and responsive content delivery. • 𝐒𝐭𝐚𝐭𝐞 𝐌𝐚𝐧𝐚𝐠𝐞𝐦𝐞𝐧𝐭 & 𝐏𝐞𝐫𝐬𝐢𝐬𝐭𝐞𝐧𝐜𝐞: Managed authentication and user data with Formik, Yup, and localStorage for persistent sessions and a synchronized Favourites list. • 𝐑𝐨𝐮𝐭𝐢𝐧𝐠 & 𝐀𝐫𝐜𝐡𝐢𝐭𝐞𝐜𝐭𝐮𝐫𝐞:Designed a modular structure using react-router-dom for protected routes and a MasterLayout for consistent navigation across all views. • 𝐔𝐬𝐞𝐫 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 𝐄𝐧𝐡𝐚𝐧𝐜𝐞𝐦𝐞𝐧𝐭𝐬: -Infinite scroll for continuous content loading (IntersectionObserver) -Country-based and topic-specific filtering -Detailed article view with a structured layout and direct link to the original source -Interactive “Favourites” functionality for personalized content management • 𝐔𝐈 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤: Integrated PrimeReact components to ensure a professional and cohesive interface design. This project reinforced my expertise in React architecture, custom hooks, and maintainable front-end development, while aligning with modern design and performance standards. I continue to explore modern front-end patterns and best practices to refine my craft and stay aligned with the evolving landscape of software development. #FrontendEngineering #ReactJS #PrimeReact #SoftwareDevelopment #UIUX