React Native New Architecture: JSI, Turbo Modules, and Fabric

🚀 React Class Components vs Function Components React has evolved — and so has the way we build components. 🔷 Class Components ✅ Lifecycle methods (componentDidMount, etc.) ✅ Structured, traditional approach ⚠️ More boilerplate ⚠️ Harder to reuse logic 🟢 Function Components ✅ Hooks (useState, useEffect) ✅ Cleaner & more readable code ✅ Easier state and side-effect management ✅ Highly reusable logic 💡 Modern React development favors function components, but understanding both is essential for working with real-world codebases. Which one did you learn first — classes or hooks? #React #WebDevelopment #Frontend #JavaScript #Programming #SoftwareEngineering #UI #Development

Introducing bxp-code v1.0.0 — drop-in React code blocks for developers I built a VS Code theme extension (BedarX Pro) and wanted the same syntax colors on the web. Every React highlighting library I tried looked nothing like my editor, needed too much config, or produced flat output. So I built bxp-code. Drop-in React components with VS Code-accurate syntax highlighting via Shiki (same TextMate grammars VS Code uses) and automatic Prettier formatting. No setup needed. Two components: 1. BxpCode — code block with header, copy button, line numbers, sticky headers 2. BxpCodeTabs — tabbed interface for multi-language snippets Why use it: Building docs, portfolios, blogs, tutorials, or any React app showing code? This replaces wiring up a highlighter, formatter, copy button, and theme system separately. One import, one component. Dark/light themes included, every color customizable via props. Accepts code as string, File, or URL with auto language detection. What's next: Vue and Svelte adapters, React Native support, diff highlighting, and more built-in themes. The goal — the go-to code block component across frontend frameworks. npm install bxp-code npm: https://lnkd.in/dcZW7J5v Docs: https://lnkd.in/dVqcqN-z Playground: https://lnkd.in/dGX-4zbZ GitHub: https://lnkd.in/d2qPCt3e The VS Code theme it was born from: https://lnkd.in/dPZpgA23 A star or share goes a long way. Feedback welcome. #react #reactjs #npm #javascript #typescript #shiki #prettier #vscode #opensource #frontend #webdev #webdevelopment #syntaxhighlighting #codeformatting #developertools #dx #programming #coding #softwareengineering #vite #vitepress #vue #svelte #reactnative #github #nodejs #darkmode #buildinpublic #devcommunity #100daysofcode #uicomponents #componentlibrary #devtools #techcommunity

## JavaScript Fatigue Isn’t About Frameworks. It’s About Mental Models. Every year we hear the same thing: > “JavaScript ecosystem is exhausting.” > “Too many frameworks.” > “Everything changes every 6 months.” But the real problem isn’t React vs Vue vs Svelte. It’s that many developers never fully internalize how JavaScript actually works. Without strong mental models, every new framework feels like starting from zero. --- Let’s be honest: How many developers truly understand: - The event loop beyond simplified diagrams - Microtasks vs macrotasks in real production scenarios - How closures impact memory retention - Why `this` behaves differently depending on context - That `async/await` is syntactic sugar over Promises - What actually happens during V8 optimization --- Frameworks change. Fundamentals don’t. If you deeply understand: - Execution context - Scope chain - Event loop - Prototypal inheritance - Garbage collection You can pick up any framework in weeks — not months. --- The uncomfortable truth? Many mid-level developers are framework specialists, not JavaScript engineers. And that difference becomes very visible in large-scale systems: - Performance bugs - Race conditions - Memory leaks - Scaling issues They don’t care which framework you used. They care how JavaScript actually executes. --- If your framework disappeared tomorrow — Would your JavaScript knowledge still stand strong? #JavaScript #WebDevelopment #NodeJS #Frontend #SoftwareEngineering #Programming #TechLeadership #CleanCode #EngineeringCulture

Clean React code isn’t about being clever. It’s about being clear. Readable code scales better than “smart” code. Predictable patterns outlive trendy abstractions. Simple logic is easier to debug, test, and maintain. As teams grow, clarity becomes a feature. If your teammates need extra time to understand your code, the system slows down too. Good React code answers questions before they’re asked: • Where does state live? • How does data flow? • What is this component responsible for? The goal isn’t to impress other developers. The goal is to make the system easy to reason about — even months later. #ReactJS #JavaScript #CleanCode #FrontendDevelopment #SoftwareEngineering #MaintainableCode #WebDevelopment #TechCareers

Most developers learn randomly. Smart developers follow a roadmap. Frontend in 2026 is not just React. It’s architecture, performance, and deployment. If you master these 6 branches, you’re no longer “just frontend”. You’re valuable. Learn from: 📚 Roadmap: https://lnkd.in/dySCRmV 📺 Free Full Course: https://lnkd.in/dF6WuxXW 📘 JavaScript Deep Dive: https://javascript.info 💬 Which branch are you currently learning? SAVE this roadmap. Build with clarity. #Connexode #FrontendDeveloper #WebDevelopment #ReactJS #NextJS #JavaScript #CodingJourney

React becomes truly powerful when you move beyond basics and start leveraging its advanced patterns. Recently, I’ve been exploring: ✅ Render Props for flexible component composition ✅ Higher-Order Components for cross-cutting concerns ✅ Custom Hooks for clean logic reuse ✅ Code Splitting to improve real-world performance What stands out: most React performance problems are architectural, not library-related. Still refining how and when to apply these patterns in production-scale apps. What advanced React pattern has given you the biggest win? #React #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering #CleanCode #FrontendArchitecture #PerformanceOptimization #UIEngineering #TechLearning #Developers #CodingCommunity

Error boundaries in React - yeh ek underrated feature hai jo har developer ko pata hona chahiye! Error boundaries catch JavaScript errors anywhere in the child component tree. They're like try-catch but for React components. But remember: - They only catch errors in render, lifecycle methods, and constructors - They DON'T catch errors in event handlers, async code, or during server-side rendering You need to create a class component for error boundaries (or use a library). Functional components can't be error boundaries yet. Best practice: Wrap your route components or major sections in error boundaries. This way, one component's error won't crash your entire app. Also, log errors to an error reporting service. Don't just show a fallback UI - track what went wrong! #reactjs #webdevelopment #javascript #frontend #coding #errorhandling #reactpatterns #programming #indiancoders #tech

🚀 Why map( ) is Preferred in JavaScript & React While working with arrays in JavaScript—especially in React—map( ) becomes a go-to choice 👇 ✅ Returns a new array (no mutation) ✅ Keeps code clean & readable ✅ Perfect for JSX rendering ✅ Fits well with functional programming ✅ Helps avoid unexpected bugs In React, writing predictable and declarative code is everything—and map() supports that mindset perfectly. “Write code that explains what you want, not how to do it.” 💡 Small choices like using map() can make a big difference in code quality. #JavaScript #ReactJS #WebDevelopment #Frontend #CleanCode #LearningJourney #100DaysOfCode

React Hooks: Where Things Often Go Wrong React hooks are powerful, but many issues I see in codebases don’t come from React itself — they come from how hooks are used. A few patterns that usually cause trouble: • useEffect treated like a lifecycle replacement Not everything belongs in an effect. A lot of logic fits better in event handlers or during render. • Dependency arrays that grow endlessly When an effect depends on “everything,” it’s often a sign that responsibilities aren’t clear. • Effects that shouldn’t exist at all Some effects are only compensating for poor state placement or derived state. • Custom hooks that hide complexity Abstraction is useful, but hiding side effects inside hooks can make bugs harder to trace. • useRef used only for DOM access Refs are also great for storing mutable values that shouldn’t trigger re-renders. My takeaway: Hooks don’t replace good component design. Clear ownership of state and responsibilities makes hooks simpler — and bugs rarer ⚛️ #ReactJS #FrontendEngineering #Hooks #WebDevelopment #JavaScript #EngineeringInsights

Most developers use JavaScript events every day… but many don’t actually understand how events travel in the DOM. When you click a button inside a div, which runs first? The button? The parent div? The document? The answer depends on Event Bubbling vs Event Capturing. ⚡ Event Bubbling (default) The event starts from the target element and moves upward through its parents. Example flow: button → div → body → document ⚡ Event Capturing The event starts from the top parent and moves down to the target. Example flow: document → body → div → button 💡 Most applications rely on bubbling, which also powers event delegation. Understanding this concept helps you: • Debug event issues faster • Write cleaner event delegation • Control complex UI interactions Frontend engineering is not just about writing code — it’s about understanding how the browser actually works. Follow for more JavaScript & Frontend deep dives. #javascript #frontenddeveloper #webdevelopment #100daysofcode #learninpublic #softwaredevelopment #coding