"React Day 3: JSX, Babel, Components Explained"

What if you could learn React without switching tabs or setting up anything? Now you can. React Course is live — https://dub.sh/react-learn From HTML to React, every topic runs directly in the browser with editable, live code. If you’re starting your frontend journey or preparing for a React role, this is a good place to begin. #React #ReactJS #FrontendDevelopment #WebDevelopment #LearnReact #ReactDevelopers

Starting with React JS? Here’s the 2025 Roadmap 🛣️ If you're entering React today, don’t overcomplicate it. Start with: 1️⃣ JavaScript Fundamentals – ES6+, async/await, array methods 2️⃣ React Core – Components, Props, State, Hooks 3️⃣ Routing – React Router or Next.js App Router 4️⃣ State Management – Context API → Zustand/Redux 5️⃣ API Handling – Fetch, Axios, React Query 6️⃣ UI Libraries – Tailwind CSS / Material UI ✨ Focus on building small projects—your skills will compound fast. #ReactJS #100DaysOfCode #LearnToCode #JavaScript

🚀 React 19.2 is here — and it’s packed with smart upgrades! Just watched this quick five-minute overview, and I’m seriously impressed by how much thought has gone into performance and developer experience. From the new Activity component for smarter rendering to useEffectEvent for cleaner event logic, React keeps raising the bar. What stood out to me most: ⚡️ cacheSignal — a powerful step toward better server-component caching 🧩 Partial pre-rendering — optimizing performance right where it matters 🧠 ESLint plugin upgrade — small change, big developer quality-of-life boost It’s exciting to see React evolving in ways that make modern front-end development more intuitive and efficient. If you’re working with React, this update is worth a look — small details, big impact. #ReactJS #WebDevelopment #JavaScript #Frontend #React19 #Coding #DevTools #Performance

💡 From Vanilla JS → React → Redux Toolkit: Full Circle Moment This week I have been exploring Redux Toolkit and had a fun realisation. In React, we never mutate state and always return new objects with useState. Then with Redux Toolkit, I wrote this: state.push(action.payload) …and it just worked. Why? Immer handles immutability under the hood. It lets us write “mutating” code while keeping state updates safe and predictable. Feels like a full circle: from mutating in vanilla JS → immutable in React → “mutating safely” in Redux Toolkit. ✅ Lesson: Redux Toolkit makes state management clean, simple, and safe. #React #ReduxToolkit #JavaScript #WebDev #StateManagement

⚡ React is fast... until we make it slow. Performance in React isn’t about writing more code — It’s about helping React do less work. 🧠 Here are some areas every React dev should master 👇 🧩 1️⃣ Reduce Bundle Size → Code Split (React.lazy) → Tree-Shake unused code → Use lightweight libs → Avoid import * ⚙️ 2️⃣ Smooth Runtime → Debounce user inputs → Throttle scroll & resize events 🌍 3️⃣ Smart Context Usage → Split contexts → Or use Redux Toolkit and RTK Query for efficient state and api management 🔁 4️⃣ Prevent Unnecessary Updates → React.memo, useMemo, useCallback 🎯 5️⃣ Control Side Effects → Avoid running useEffect unnecessarily Great performance isn’t a feature — It’s the result of mindful coding. ✨ 💬 How do you keep your React app fast? #ReactJS #FrontendPerformance #WebDevelopment #JavaScript #Optimization

💾 What Really Happens When You Hit Save in a React Project You write some JSX. You hit Save. Your screen refreshes. And magic happens or so it seems 😅 Here’s what’s actually going on 👇 1️⃣ Vite / CRA compiles your code Your JSX → JavaScript through Babel or SWC. 2️⃣ Webpack (or Vite) bundles it It rebuilds only what changed that’s why hot reload feels instant. 3️⃣ React’s Reconciler runs Compares the Virtual DOM and updates only what changed in the real DOM. 4️⃣ Browser paints your UI again Minimal re-render, maximum speed. 5️⃣ You keep coding like a wizard 🧙♂️ 💡 It’s not magic. It’s React, Babel, and the browser dancing in sync. 👉 Ever had that “wait… how did that just work?” moment in React? #ReactJS #FrontendDevelopment #WebDev #JavaScript #CodingJourney #LearnToCode

💭 Thinking in React: Local vs Global State Managing state efficiently is one of the most important parts of building scalable React applications. In this post, I’ve broken down the thought process behind deciding when to use local state and when to go global — along with a simple decision flow. 🔹 Local State – Used for component-specific data (like form inputs, modals, or toggles). 🔹 Global State – Used when multiple components need to share or synchronize data (like user authentication, theme, or cart data). Understanding this difference helps keep your code clean, maintainable, and performant. Check out the slides to see how you can think in React more strategically while managing state. 🚀 #ReactJS #WebDevelopment #Frontend #JavaScript #ReactState #StateManagement #LearningInPublic

🚀 Excited to share my latest React project — Post Craft This project is built using React, Context API, and useReducer to manage global state efficiently. It allows users to: 📝 Create new posts through form handling 🌐 Fetch 30 posts at a time from an API ❌ Delete posts instantly ⚡ Manage all data globally using Context API I learned a lot while building this — especially about reducer logic, clean component structure, and handling real API data in React. Check it out on GitHub 👇 🔗 GitHub Repository:https://lnkd.in/dU2DT8HE #React #WebDevelopment #Frontend #JavaScript #ReactJS #OpenSource #LearningByDoing

Tayo loved React. He could build components, handle state, and spin up projects in no time. So when he started learning Next.js, he thought it’d be a smooth ride. But soon, things got messy. His app was rendering weirdly. Some data showed up instantly, other times it didn’t. Pages loaded fine locally, but once deployed - chaos. He spent nights debugging, rewriting code, and watching tutorials. Still… nothing made sense. Until one day, his mentor smiled and said, “Tayo, you’re not lost. You are just mixing up where things happen.” And that one line changed everything. Tayo finally understood the heart of Next.js: It’s not just React with pages, it’s React with power. Next.js decides what runs on the server and what runs on the client. When you get that, everything else starts making sense. The confusion wasn’t about the framework, it was about not understanding server-side rendering (SSR) and client-side rendering (CSR). He realised: Some code runs before the user ever sees the page (SSR) Some code runs after (CSR) And knowing when and why makes you unstoppable From that moment, Tayo stopped treating Next.js like a stranger and started using it like an ally. He didn’t just fix his bugs, he gained a new perspective: in code and in life. You can’t control everything. But you can always learn where things really happen. What’s one thing about Next.js that confused you the most when you first started? Share it below, your insight might save someone hours of struggle. #NextJS #ReactJS #WebDevelopment #FrontendDevelopment #FullStackDeveloper #SoftwareEngineering #ServerSideRendering #ClientSideRendering #JavaScript #LearningInPublic #BuildInPublic

React 19.2 just dropped - and it’s a pretty exciting release. The React team rolled this out right in time for React Conf, and while it’s technically a “minor” update, it brings some seriously impactful features. Here are the big ones: ✨ Activity API - Lets you hide parts of your UI while keeping their state intact (perfect for tabs, modals, or background UIs). ⚡ useEffectEvent Hook - Finally, a clean way to handle event logic inside effects without messy dependency arrays. But that’s not all - 19.2 also brings: - cacheSignal for smarter cache lifecycles - Partial pre-rendering to speed up SSR and page loads - Batched Suspense reveals for smoother transitions - New React performance tracks in Chrome DevTools - Updated ESLint rules and useId improvements Overall, React 19.2 feels like a big quality-of-life upgrade - faster rendering, smarter caching, and a cleaner developer experience. If you haven’t already, you can upgrade with: npm install react@19.2 react-dom@19.2 I’m especially curious to see how people use the Activity API in real-world apps. Have you tried it yet? #React19 #ReactJS #Frontend #WebDevelopment #JavaScript #ReactConf #DevCommunity