Abdul Raheem’s Post

𝗠𝗼𝘀𝘁 𝗱𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿𝘀 𝗹𝗲𝗮𝗿𝗻 𝗳𝗼𝗿𝗺 𝗵𝗮𝗻𝗱𝗹𝗶𝗻𝗴. 𝗩𝗲𝗿𝘆 𝗳𝗲𝘄 𝗹𝗲𝗮𝗿𝗻 𝘄𝗵𝘆 𝘁𝗵𝗲𝗶𝗿 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵 𝗶𝘀 𝘀𝗶𝗹𝗲𝗻𝘁𝗹𝘆 𝗶𝗻𝗲𝗳𝗳𝗶𝗰𝗶𝗲𝗻𝘁. Today's class changed how I think about both. Started with the brute force way. One state per input field. Works fine. Also bloats fast and scales terribly. Then the optimized approach. Less code, single state object, same result. But the thing that actually stuck with me was the event system difference nobody talks about early on:  • Native DOM events use event bubbling by default. Events travel up the tree  • React's synthetic events use event delegation by default. One listener at the root handles everything Same outcome on the surface. Very different under the hood. React isn't just a UI library. It's quietly making performance decisions for you before you even think about them. Understanding why React does what it does makes you a better React developer. Simple as that. Devendra Dhote #reactjs #javascript #formhandling #webdevelopment #frontend

The `useActionState` is a massive quality-of-life update for React developers. Stop juggling useState for every form submission. You no longer need to manually track loading states, success messages, or server errors—React now does it for you. It bridges the gap between your UI and your logic, making your components cleaner and much easier to maintain. Common use cases: ⏺ Adding state to an Action: Effortlessly track the result of any form submission. ⏺ Handling errors: Display server-side or validation errors without extra boilerplate. ⏺ Using with `form` Action props: The standard, built-in way to link forms to logic. ⏺ Using with `useOptimistic` : Combine them for a snappy, "instant" user experience. ⏺ Cancelling queued Actions: Automatically manage multiple rapid-fire submissions. #react #webdevelopment #javascript #hooks

🚀 I built a scalable form validation system in React (real project) Instead of handling forms the traditional way, I decided to build something cleaner and production-ready. 💻 Tech used: React 19 + React Hook Form + Zod + MUI + Tailwind 💡 What I built: ✔️ Schema-based validation using Zod ✔️ Integrated with React Hook Form for performance ✔️ Reusable form components ✔️ Clean error handling (user-friendly UI) 📊 Before vs After: 🔴 Before: useState everywhere Manual validations Hard to maintain 🟢 After: Centralized validation schema 📄 Minimal re-renders ⚡ Scalable & clean architecture ⚡ Code mindset: Instead of writing validation logic in every component, 👉 I defined rules once using Zod and reused them everywhere. 🔥 Result: Faster development Better performance Cleaner codebase 📌 This is part of my ongoing frontend system where I’m also using Zustand for state management. Would love your feedback 👇 What’s your go-to approach for handling forms? #ReactJS #FrontendDeveloper #Zod #ReactHookForm #JavaScript #WebDevelopment #Projects #BuildInPublic #CleanCode

After a few years building React applications, one pattern keeps showing up: Most real-world performance issues come from unnecessary re-renders. A few practical changes that consistently pay off: Memoize stable components with React.memo (when props are actually stable) Use useMemo / useCallback intentionally—to avoid expensive recalculation or unstable references, not “by default” Avoid overgrown global state; keep state as close as possible to where it’s used Split large components so updates don’t invalidate the entire subtree In one project, a handful of these adjustments reduced render time noticeably and made the UI feel much more responsive—without changing product behavior. React is powerful, but performance often comes down to careful boundaries and disciplined state management. What’s the biggest React performance bottleneck you’ve had to debug? #React #Frontend #WebPerformance #JavaScript

Are you wrestling with state management in your React applications? 🤯 You're not alone. As our applications scale, maintaining a predictable and efficient state becomes one of the biggest challenges in Frontend development. Over time, I've found a few core principles that help keep the chaos at bay: 1. Start Small: Don't rush into complex libraries. useState and useReducer are incredibly powerful on their own and handle 80% of typical use cases. 2. Evaluate Contextually: Before adopting solutions like Redux, Zustand, or Jotai, understand your specific needs. Each has trade-offs in terms of boilerplate, performance, and developer experience. Choose the right tool for your project. 3. Prioritize Performance: Keep an eye on re-renders. Utilize tools like React.memo and useCallback when necessary, but don't over-optimize too early. What’s your go-to state management solution, and what tips would you share with a beginner? Share your thoughts below! 👇 #ReactJS #StateManagement #Frontend #WebDevelopment #JavaScript

Many developers learn React… but few actually learn how to structure React applications properly. When your project grows, these things suddenly start to matter: • Folder structure • Reusable components • Clean state management • Separation of UI and logic • Scalability A small project can survive with messy code. A real product cannot. Good developers write code that works. Great developers write code that scales. What is one thing that improved your React architecture recently? 👇 #react #frontend #webdevelopment #javascript #softwareengineering

🚀 Why is React so fast? #Day40 👉 Web4you One important reason is the Reconciliation Algorithm. In React, when state or props change, React does NOT update the entire DOM. Instead, React follows a smart process: 1️⃣ React creates a Virtual DOM 2️⃣ It compares the new Virtual DOM with the previous one 3️⃣ It finds what actually changed 4️⃣ It updates only that part in the real DOM This process is called Reconciliation. 💡 Example: Old UI A B Updated UI A B C React will only add "C" instead of re-rendering the entire list. That is why React applications are fast and efficient. ⚡ Key idea: React updates minimum changes instead of rebuilding everything. 🎯 Interview Tips Follow 👉 Web4you for more related content! Reconciliation is the process where React compares the new Virtual DOM with the previous Virtual DOM and updates only the changed parts in the real DOM. 💬 Question for Developers Did you know about the Reconciliation Algorithm before? Comment YES or NO 👇 #reactjs #frontenddevelopment #webdevelopment #javascript #softwareengineering #reactdeveloper #codinginterview #web4you

Next.js 15 is out — and it changes more than you think. ⚡ I've been digging into everything that shipped. Here's what actually matters for your day-to-day development: ① Turbopack is finally stable The Rust-based bundler is now production-ready. Local dev server is up to 5x faster than Webpack. Cold starts? Almost instant. This alone is worth upgrading for. ② Async Request APIs — breaking change alert cookies(), headers(), and route params are now async. You must await them. If you're upgrading an existing app, audit every usage. It's a small change with a big blast radius. ③ Partial Prerendering (PPR) The most exciting architectural feature in years. Static HTML shell renders instantly. Dynamic content streams in behind it. You get the speed of static AND the freshness of dynamic — in one page. ④ next/after — post-response logic Ever wanted to run analytics or cleanup AFTER sending a response? next/after makes this a first-class feature. No more hacks, no more background job workarounds. ⑤ React 19 ships built-in Actions, use(), useOptimistic, and the React Compiler — all supported out of the box. Next.js 15 + React 19 together is the most powerful the stack has ever been. ⑥ Caching is now explicit fetch() responses are no longer cached by default. This was one of the most confusing parts of Next.js 13/14. Now you opt into caching intentionally. Your app does exactly what you tell it to. The theme across all of it? Next.js 15 removes the magic and gives you control. Less surprises. More predictability. Faster iteration. If you haven't upgraded yet — start with a new project. The DX difference is immediately noticeable. 💬 Have you tried Next.js 15 yet? What feature are you most excited about? #NextJS15 #NextJS #React #Frontend #WebDevelopment #JavaScript #Programming #WebDev #SoftwareEngineering #TechTips

𝗠𝗼𝘀𝘁 𝗥𝗲𝗮𝗰𝘁 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗣𝗿𝗼𝗯𝗹𝗲𝗺𝘀 𝗔𝗿𝗲 𝗣𝗿𝗲𝗱𝗶𝗰𝘁𝗮𝗯𝗹𝗲. If a React app feels slow, I usually check these first: • Is state lifted too high? • Are we passing unstable object/array props? • Are large components handling too many responsibilities? • Are expensive calculations running on every render? Before adding memoization everywhere, I try this: 1️⃣ Split large components 2️⃣ Keep state local 3️⃣ Avoid recreating objects/functions unnecessarily 4️⃣ Profile before optimizing One simple example: Instead of doing this inside render: const filteredUsers = users.filter(u => u.active); On every render… Consider whether the computation is heavy enough to memoize. Optimization is not about adding hooks. It’s about understanding cost. Most performance issues aren’t random. They’re architectural. Day 3/100 — sharing practical frontend lessons from production experience. What’s the biggest performance issue you’ve debugged in React? #ReactJS #WebPerformance #FrontendEngineering #JavaScript #SoftwareArchitecture

🚀 Next.js just leveled up again… and it’s changing how we build web apps The latest release of Next.js (v16+) is not just an upgrade — it’s a shift in how modern frontend engineering works. Here’s what stands out 👇 ⚡ Turbopack is now stable Say goodbye to slow builds. Faster dev startup, faster refresh, and better performance out of the box. 🧠 Smart Caching with “use cache” Next.js now lets you control caching like a pro — making apps faster without extra complexity. 🔥 Partial Pre-Rendering (PPR) Static + dynamic combined. Your pages load instantly while still staying live and interactive. 🎯 React Compiler built-in Less manual optimization. The framework now helps handle performance automatically. 🧭 Smarter Routing & Navigation Prefetching and layouts are now optimized — meaning smoother transitions and less data waste. — 💡 What this really means: We’re moving from “building pages” ➡️ to engineering performance-first systems by default Frameworks are no longer just tools… They’re becoming intelligent layers that think for you — 👀 The real question is: If frameworks are handling optimization, caching, and performance automatically… What becomes the developer’s real role next? Let’s discuss 👇 #NextJS #WebDevelopment #Frontend #JavaScript #ReactJS #Turbopack #PerformanceEngineering #SoftwareEngineering #DeveloperTools #WebApps #Coding #TechInnovation #ModernWeb #Programming