Benefits of Named React Components

🚀 Day 2 of sharing daily dev learnings Today’s topic: useCallback in React ⚛️ Common mistake: Using useCallback everywhere without understanding why. Problem I faced: Child components were re-rendering even when props looked unchanged. Reason: Functions are re-created on every render. Fix: Wrapped callback functions with useCallback. Example: const handleClick = useCallback(() => { setCount(prev => prev + 1) }, []) Result: ✅ Fewer unnecessary re-renders ✅ Better performance ✅ More predictable behavior Lesson: useCallback is useful when: • Passing functions to memoized child components • Preventing re-renders caused by function references Don’t overuse it. Use it with intent. Do you use useCallback regularly or only when needed? 👇 #ReactJS #JavaScript #Frontend #WebDev #ReactHooks

𝐈𝐬 𝐲𝐨𝐮𝐫 𝐑𝐞𝐚𝐜𝐭 𝐩𝐫𝐨𝐣𝐞𝐜𝐭 𝐡𝐞𝐚𝐥𝐭𝐡𝐲, 𝐨𝐫 𝐣𝐮𝐬𝐭 "𝐟𝐮𝐧𝐜𝐭𝐢𝐨𝐧𝐢𝐧𝐠"? I tried 𝐑𝐞𝐚𝐜𝐭 𝐃𝐨𝐜𝐭𝐨𝐫 on an ongoing project today and it’s a game-changer for catching technical debt. It found dozens of issues in my useState and useEffect logic that I had completely overlooked. How it works: It automatically detects your framework (Next.js, Vite, Remix), React version, and compiler setup. Then, it runs two parallel analysis passes: Lint Pass: Checks 60+ rules across state & effects, performance, architecture, bundle size, security, and accessibility. It even handles framework-specific rules for Next.js and React Native. Dead Code Pass: Instantly flags unused files, exports, types, and duplicates. The Stats: The tool filters diagnostics through your config and weights them by severity (errors vs. warnings) to give you a 0–100 Health Score: 75+: Great 50–74: Needs work <50: Critical If you want to stop shipping technical debt and see how your project actually stacks up against React standards, run the check: 👉 npx -y react-doctor@latest Huge shoutout to Aiden Bai for building this. #ReactJS #WebDev #CleanCode #NextJS #Programming

After talking about useMemo, it’s hard not to mention useCallback. I often see it added everywhere as a “performance fix”, even when there’s no real problem to solve. useCallback is useful when function identity actually matters, usually when passing callbacks to memoized components or dependency arrays. In many cases, it just adds noise and makes the code harder to read. As with most things in React, clarity should come first. Optimization should be intentional, not automatic. #React #JavaScript #Frontend #SoftwareEngineering

Stop getting lost in tutorial hell. Here is your roadmap. 📍 One of the hardest parts of becoming a Frontend Developer in 2026 isn't the code itself—it's knowing what to learn and in what order. I visualized the complete path to seniority to help you visualize the bigger picture. The Step-by-Step Path: ✅ Basics: HTML, CSS, and Accessibility (A11y). ✅ Logic: Deep dive into JavaScript (ES6+). ✅ Safety: Version Control (Git) is non-negotiable. ✅ Ecosystem: Pick a framework (React, Vue, etc.) and learn State Management. ✅ Professionalism: Testing (Jest/Cypress) and Build Tools (Vite/Webpack). Don't try to visit every island at once. Master one location before sailing to the next. 👇 Which stage of this map are you currently stuck on? Let’s talk about it in the comments. #Coding #WebDev #LearnToCode #DeveloperCommunity #TechTips #Frontend

React's useContext is powerful, but it's not a magic bullet for all state management. Blindly wrapping large parts of your application in a single context can silently cripple performance. The problem? Any time a value within that context changes, every consumer component re-renders. Even if they only use a small, unchanged part of the context, the re-render cascade can be significant. This often leads to unnecessary work for the browser and a sluggish user experience, especially in complex applications. Instead, be intentional. * For genuinely global, rarely changing data (like user authentication status), a single context is fine. * For frequently updated, specific domain data, consider: * Splitting your context into smaller, more granular contexts. * Leveraging component composition to pass props directly to components that need them, avoiding context entirely. * Exploring dedicated state management libraries like Zustand or Jotai for fine-grained updates. Optimizing performance in React starts with understanding re-render boundaries. Don't let useContext become an invisible bottleneck. #MERNStack #React #JavaScript #FrontendDevelopment #WebPerformance

React stale state is not a bug. It’s us (and closures). I used to think React was “randomly” giving me old state. Turns out, it wasn’t React at all. In JavaScript, when a function is created, it freezes the values around it. That’s a closure. Whatever the state was at that moment — that’s what the function remembers. React just makes this more obvious. Every render creates a new version of your functions. But if you write useEffect(() => { ... }, []), you’re basically saying: “Hey React, keep using the first version forever.” So yeah — your effect runs, your handler fires… but it’s talking to state from the past. That’s the “stale closure” everyone trips over. For years we’ve dealt with this by: tweaking dependency arrays throwing values into useRef or just disabling the linter and moving on Recently, I’ve been liking the direction of useEffectEvent — it lets an effect run when it should, but still read the latest state without hacks. Big takeaway for me: If your hook is ignoring dependencies, it’s not optimized — it’s just outdated. Curious how others are handling this in real codebases 👇 Still useRef, or trying newer patterns? P.S : For more information on this topic , please read out my blog at medium https://lnkd.in/gDY6ZSgf #React #JavaScript #Frontend #Engineering

🌱 Going back to basics "Controlled Components" While building forms in React, there is one pattern I keep coming back to "controlled components". At first, I honestly did not like it. "value" here, "onChange" there… feels like too much work. But one thing my mentor said stayed with me : “It is about the mental model. It will help you later.” And slowly, it started making sense....!!! Every input "text box", "dropdown" , "checkbox" takes its value from React state. And every change updates that state. One clear source of truth...!! Simple and predictable. Controlled components may look boring, but they make forms easier to manage when things grow bigger. For me, going back to basics means choosing patterns that keep things clear and easy to reason about. And controlled components do exactly that. #ReactJS #ControlledComponents #Frontend #JavaScript #GoingBackToBasics

React Strict Mode shows problems you didn’t know you shipped React Strict Mode doesn’t exist to annoy developers. It exists to expose code that only appears correct. When we enabled Strict Mode, things that “worked fine” suddenly started breaking: APIs were called twice effects behaved unpredictably cleanup logic revealed hidden bugs At first glance, it feels like React is doing something wrong. But what it’s really doing is removing your safety net. Strict Mode forces you to write code that: has no side effects during render cleans up effects correctly doesn’t rely on execution order luck What surprised me most was this: the issues it exposed weren’t development-only problems. They were production bugs waiting for the right conditions. If code survives Strict Mode, it’s usually safe for: concurrent rendering Suspense future React changes Disabling Strict Mode doesn’t make your app safer. It just hides the weak spots. #react #frontend #javascript #webengineering #softwarearchitecture #srinudesetti

How I Understood useCallback At first, useCallback felt useless. My code worked. So why add it? 🤷♂️ Then I learned one thing: 👉 Every render creates a new function. React doesn’t care about logic. It cares about references. useCallback simply tells React: “Please remember this function. Change it only when needed.” That’s it. I now use it mainly when: Passing functions to child components Avoiding unnecessary re-renders Lesson learned 👇 Understand the problem first. The hook will make sense automatically. Still learning. 🚀 #ReactJS #useCallback #FrontendDeveloper #LearningInPublic #Frontend #LearningInPublic #JavaScript #WebDevelopment #DeveloperJourney

REACT!_This just made years of muscle memory obsolete! 🦾 useMemo _ useCallback _ React.memo! We spent so long learning when to use them, debating whether they were actually helping, and sometimes making performance worse in the process. The React Compiler just handles it for you now — automatically, at build time. Write clean, simple components. No manual optimisation. The compiler figures out the rest. And honestly? It's a bigger mental shift than it sounds. For years, performance awareness was baked into how you wrote components. Now you write for clarity first, and the tooling catches up behind you. Frontend keeps doing this — taking something painful and making it invisible. 👻 First it was manual DOM manipulation. Then complex build configs. Now memoization. The developers who thrive through these shifts aren't the ones who memorised every API. They're the ones who understood why those patterns existed — so when the tooling evolves, their thinking evolves with it. Keeping up with frontend isn't about chasing every new release. It's about staying curious enough to understand what problems they're actually solving. 🎯 What's something in frontend you're glad you no longer have to do manually? #React #Frontend #WebDevelopment