React Performance: Don't Rely on useMemo and useCallback

Understanding the difference between useState and useEffect is fundamental in React development. Here’s the simple breakdown: useState → Manages local component state → Best for simple state updates useEffect → Handles side effects (API calls, subscriptions, etc.) → Best for logic that runs after render Rule of thumb: If you're storing and updating data → useState. If you're reacting to changes or performing side effects → useEffect. Mastering these two hooks improves how you structure components and think about React’s lifecycle. How do you usually explain this difference to junior developers? #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering

Why I stopped writing everything inside one React component When I started React, I put all UI logic in one big component. It worked… but debugging and maintaining it was painful. Then I learned to split UI into small, reusable components. Now my code is: 1- easier to read 2- easier to debug 3- easier to reuse React isn’t just about JSX. It’s about thinking in components, not pages. Small components = cleaner code = happier developers. What’s one React habit that improved your workflow? 👇 #ReactJS #FrontendDeveloper #WebDevelopment #CleanCode #LearningJourney #CodeTips

Even experienced React developers can fall into common pitfalls. After working on real production React applications, I’ve noticed that most issues don’t come from syntax errors they come from subtle decisions made over time. In my latest deep dive, I discuss mistakes such as: • Overusing useEffect • Premature performance optimizations • Treating state as a dumping ground • Mixing business logic directly into JSX These are mistakes even senior developers encounter (myself included). 📖 Read the full post here: 👉 https://lnkd.in/dmEdAaRU I’d love to hear which React mistake do you see most often in real-world projects? #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #CleanCode #LearningInPublic

🟢 🟡 🔵 Most developers use JSX every day! but few truly understand what happens behind the scenes. JSX is not HTML inside JavaScript — it’s syntactic sugar that gets transpiled into React.createElement() calls before your app even runs. Why does this matter? Because once you understand this pipeline, you can: ✅ Debug rendering issues faster ✅ Write more predictable components ✅ Avoid common misconceptions about the Virtual DOM Mastering fundamentals like JSX is what separates React users from React engineers. What was your biggest JSX misconception when you started? #React #Frontend #WebDevelopment #JavaScript #SoftwareEngineering

#Day39 – React Components & JSX ⚛️🧩 Today I learned about React components and JSX. I explored how components help create reusable UI elements and how JSX allows writing HTML-like code inside JavaScript to build dynamic interfaces. Understanding components makes web applications more structured, efficient, and easier to manage. Excited to build more with React! 🚀✨ #Day39 #ReactJS #JSX #FrontendDevelopment #WebDevelopment #LearningJourney #100DaysOfLearning #skillshikhya

From Next.js Comfort to Mature React 🚀 For a long time, I was working deeply with Next.js and almost forgot that plain React even existed. Server Components, SSR, API calls on the server, middleware, file-based routing, modern form libraries with Zod, Everything felt structured, powerful, and fast. It felt like frontend had evolved into something cleaner and more complete ⚡️ Then I moved into a mature, production-grade React codebase. No automatic routing. No installing new libraries just because they’re trending. Forms built with Formik. Explicit route logic. Decisions optimized for stability instead of excitement. At first, it felt like stepping back. But very quickly, I realized what was happening. Next.js abstracts a lot of complexity for you. A large React system exposes it. When you have to think through routing logic, state boundaries, form behavior, and long-term maintainability without framework “magic,” you understand the fundamentals at a different level. In a mature codebase, you have to think much more before writing a single line of code. Every change has impact. Every decision has history. You can’t just build, you have to understand. Frameworks give speed. Mature systems build discipline 🧠 Experiencing both has changed how I look at frontend engineering. It’s not about hype or the newest stack. It’s about knowing what’s happening under the hood and being able to build confidently in either world. #reactjs #nextjs #frontenddevelopment #webengineering #softwareengineering #programming #techgrowth #javascript

Learning something new in frontend development every day. Understanding component structure, state management, and API integration helps build better applications. Still exploring and improving with React.js and Tailwind CSS. #FrontendDeveloper #ReactJS #WebDevelopment

𝐮𝐬𝐞𝐒𝐭𝐚𝐭𝐞 𝐯𝐬 𝐮𝐬𝐞𝐑𝐞𝐝𝐮𝐜𝐞𝐫 - 𝐖𝐡𝐞𝐧 𝐬𝐡𝐨𝐮𝐥𝐝 𝐲𝐨𝐮 𝐮𝐬𝐞 𝐰𝐡𝐚𝐭? In React, both useState and useReducer are hooks used to manage state inside functional components. However, they are designed for slightly different situations. 𝐮𝐬𝐞𝐒𝐭𝐚𝐭𝐞: useState is ideal for managing simple, independent pieces of state. It works best when the state update logic is straightforward and doesn’t involve multiple conditions or dependencies. Because of its simplicity, it keeps components easy to read and quick to implement. 𝐮𝐬𝐞𝐑𝐞𝐝𝐮𝐜𝐞𝐫: Instead of directly updating state like useState, you define different actions that describe what should happen. A reducer function then decides how the state should change based on that action. This approach is useful when: • Multiple state values are related to each other • State updates depend on different conditions 𝐖𝐡𝐞𝐧 𝐭𝐨 𝐮𝐬𝐞: • useState is great for simple state • useReducer is better for complex state with multiple actions #React #ReactJS #JavaScript #Frontend #SoftwareEngineering #SoftwareDeveloper #Backend #Node

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

🚀 “It Works” Is Not Enough Earlier, if my component rendered correctly, I was satisfied. Now I think differently. Does it re-render unnecessarily? Is the state update predictable? Will this logic still make sense after 6 months? Can another developer modify it without confusion? Frontend quality isn’t just about making things work. It’s about making them stable, readable, and maintainable. Clean UI attracts users. Clean logic keeps things reliable. That shift changed how I write React code. What changed your frontend mindset the most? #reactjs #frontenddeveloper #javascript #softwareengineering #webdevelopment