🚀 React Suspense — Handle Loading UI Like a Pro You’ve implemented lazy loading… 👉 But what happens while the component is loading? That’s where React Suspense comes in. 💡 What is Suspense? Suspense lets you: 👉 Show a fallback UI 👉 While waiting for something to load ⚙️ Basic Example import React, { Suspense, lazy } from "react"; const Dashboard = lazy(() => import("./Dashboard")); function App() { return ( <Suspense fallback={<div>Loading...</div>}> <Dashboard /> </Suspense> ); } 👉 Displays fallback until component loads 🧠 How it works ✔ Component is lazy-loaded ✔ Suspense “waits” for it ✔ Shows fallback UI ✔ Renders component when ready 🧩 Real-world use cases ✔ Lazy loaded routes ✔ Large dashboards ✔ API data (with frameworks) ✔ Component-level loading states 🔥 Why Suspense Matters 👉 Without Suspense: ❌ Blank screen or broken UI 👉 With Suspense: ✅ Smooth loading experience ✅ Better UX ⚠️ Common Mistake // ❌ Forgetting fallback <Suspense> <Dashboard /> </Suspense> 👉 Causes rendering issues 🔥 Best Practices ✅ Always provide meaningful fallback UI ✅ Use skeleton loaders (better UX) ✅ Combine with lazy loading ❌ Don’t overuse nested Suspense unnecessarily 💬 Pro Insight (Senior-Level Thinking) 👉 Suspense is not just for loading… 👉 It’s a foundation for async UI in React 📌 Save this post & follow for more deep frontend insights! 📅 Day 28/100 #ReactJS #FrontendDevelopment #JavaScript #ReactHooks #PerformanceOptimization #WebDevelopment #SoftwareEngineering #100DaysOfCode 🚀
React Suspense for Smooth Loading Experiences
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Recently came across a post about React/frontend development that really made me think. One thing I’ve realized while working on projects is that React is not just about components and hooks — it’s about how you structure your thinking. Writing clean, reusable components, managing state efficiently, and understanding performance optimization are what actually separate a beginner from a solid developer. In my journey, I’ve been focusing more on: • Writing scalable code • Understanding real-world use cases • Improving UI/UX along with logic Frontend development is evolving fast, and staying consistent with learning is the key. Would love to hear how others are improving their frontend skills 🚀 #ReactJS #FrontendDevelopment #WebDevelopment #Learning #Developers
Engineering at Walmart | Mentor to 500+| Agentic AI | Langchain | Web Buff | Architecture | System Design | Tech Speaker, Blogger | Subscribe to my YouTube(Tech Monk Kapil)
The UI Library That’s Quietly Breaking Your React Mental Model Every few months: “New JS framework just dropped.” Most die in 6 weeks. But this one? Engineers are actually paying attention. Meet Pretext.js by Cheng Lou Not another: Virtual DOM clone React wrapper “Faster than React” marketing gimmick Core philosophy: Fine-grained reactivity > Component re-renders Instead of: Re-render the whole component tree It updates: Only the exact DOM node that changed Checkout: https://lnkd.in/gdSmaz72 ⚙️ Under the hood Pretext borrows ideas from: Signals-based systems Dependency tracking graphs When state changes: Only dependent nodes update No reconciliation pass No diffing overhead Compare: React: State → Re-render → Diff → Commit Pretext: State → Direct DOM update 🤯 Less work. Less abstraction. 📦 Why Frontend Devs are excited Tiny bundle size No VDOM overhead Faster updates for interactive UIs Cleaner mental model for state dependencies Perfect for: - Dashboards - High-frequency UI updates - Embedded widgets 🤔 But let’s be honest (because hype is free) Tradeoffs: - Smaller ecosystem vs React - Fewer battle-tested patterns - Tooling is not mature yet 🧠 Takeaway Frontend is evolving from: Component re-render thinking → Reactive graph thinking Same shift we saw: Redux → Signals Imperative → Declarative Pretext is part of that wave. Will it replace React? No. Will it influence how future UI frameworks work? Almost definitely. 🔗 Explore yourself Official docs: https://pretext.dev Demo playground: https://pretext.dev/play And yes, open DevTools. Watch updates happen. It’s oddly satisfying. If you liked this post: 🔔 Follow: Kapil Raghuwanshi 🚀 ♻ Repost to help others #Frontend #React #Web #TechMonkKapil
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Whether you're building a complex dashboard or a simple search bar, UI jank is the ultimate vibe-killer. If you've ever felt like your app was "stuttering" because a heavy UI update was fighting with user input, useDeferredValue is about to become your new best friend. Here’s the breakdown of why this hook is a game-changer for React performance. 🚀 💡 The Problem: Blocking the Main Thread Normally, React updates are urgent. If a user types into an input and that input triggers a massive re-render (like filtering a list of 10,000 items), the typing feels "laggy" because React is too busy rendering the list to handle the keystrokes. ✨ The Solution: useDeferredValue This hook allows you to mark a piece of state as non-urgent. It tells React: "Hey, keep the input feeling snappy. Update the heavy UI when you have a spare moment." 🛠️ How it works: 1. React updates the "urgent" state (the input text) immediately. 2. It then attempts to render the "deferred" value in the background. 3. If the user types again before the background render finishes, React interrupts the old render and starts over with the new value. ⚡ When to use it? Expensive Re-renders: When a part of your UI is slow to render and there's no way to further optimize the component itself. Search/Filtering: Keeping the search input responsive while the results list "catches up." Third-party integrations: When you're passing data to a library that you don't have performance control over. Pro-Tip: For the best UX, pair it with React.memo on the component receiving the deferred value. This ensures the component only re-renders when the deferred value actually changes! Have you made the switch from traditional debouncing to useDeferredValue yet? Let’s talk about it in the comments! 👇 #ReactJS #WebDevelopment #Frontend #JavaScript #CodingTips #React18 #SoftwareEngineering
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From API to Interface: Building a High-Fidelity Pokedex with Vanilla JS 🚀 I’ve just wrapped up a project that was both a nostalgia trip and a great exercise in modern frontend patterns: a mobile-first Pokedex Application housed in a realistic iOS-style interface. While the data comes from the PokéAPI, the challenge was in the implementation—focusing on clean DOM manipulation and a highly responsive UX without the weight of a framework. Highlights of the Build: ✅ Asynchronous Data Pipeline: Used async/await to handle multi-stage data fetching (list + details) for the original 151 Pokémon. ✅ Dynamic Theming: Implemented an automated styling engine that maps Pokémon types to custom UI color palettes in real-time. ✅ Optimized Live Search: A high-performance filtering system that searches across names, types, and IDs simultaneously. ✅ Modern UI/UX: Built a custom iPhone container using CSS Grid and Flexbox, featuring glassmorphism badges and smooth micro-interactions. Building this with Vanilla JavaScript was a conscious choice to stay sharp on core web APIs and performance optimization. You can interact with the live app or explore the code below: 🎮 Live Demo: https://lnkd.in/efQKQh9h 🔗 GitHub Repo: https://lnkd.in/eNt_nPzZ I’d love to hear your thoughts on the UI or the implementation! Mehmet Can Seyhan | Udemig #WebDevelopment #JavaScript #SoftwareEngineering #PokeAPI #UIUX #MobileDesign #Frontend #VanillaJS #Programming
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🚀 𝗙𝗶𝘅𝗶𝗻𝗴 𝗥𝗲𝗮𝗰𝘁 𝗧𝗮𝗯𝗹𝗲 𝗟𝗮𝗴 𝗪𝗵𝗲𝗻 𝗨𝘀𝗲𝗿𝘀 𝗦𝗲𝗹𝗲𝗰𝘁 𝗠𝘂𝗹𝘁𝗶𝗽𝗹𝗲 𝗥𝗼𝘄𝘀 Recently worked on a performance issue where the React Table UI started lagging whenever users selected multiple rows. As the number of selected rows increased, the table became slow and less responsive. 🔍 𝗥𝗼𝗼𝘁 𝗖𝗮𝘂𝘀𝗲: Unnecessary re-renders of rows and table components Expensive state updates on every selection change Repeated calculations during row selection 💡 𝗦𝗼𝗹𝘂𝘁𝗶𝗼𝗻 𝗜𝗺𝗽𝗹𝗲𝗺𝗲𝗻𝘁𝗲𝗱: Optimized state management for row selection Used useMemo and useCallback to prevent redundant renders Applied component memoization for better rendering control Ensured only affected rows updated instead of the full table refresh ✅ 𝗥𝗲𝘀𝘂𝗹𝘁: Smooth multi-row selection Faster UI response time Better scalability for large datasets Improved overall user experience 𝗣𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗼𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻 𝗶𝘀 𝗻𝗼𝘁 𝗷𝘂𝘀𝘁 𝗮𝗯𝗼𝘂𝘁 𝘀𝗽𝗲𝗲𝗱 — 𝗶𝘁’𝘀 𝗮𝗯𝗼𝘂𝘁 𝗰𝗿𝗲𝗮𝘁𝗶𝗻𝗴 𝗮 𝘀𝗲𝗮𝗺𝗹𝗲𝘀𝘀 𝗲𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 𝗳𝗼𝗿 𝘂𝘀𝗲𝗿𝘀. ⚡ #ReactJS #FrontendDevelopment #PerformanceOptimization #JavaScript #WebDevelopment #ReactTable #UIUX #CodingJourney
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I got tired of building loading states. So I built a plugin to do it for me. 🤖⚡️ Every developer knows the drill: 1. Build a beautiful new UI feature. 2. Realize it looks broken while the data is fetching. 3. Spend 2 hours manually coding a "Skeleton" version of that same UI. 4. Realize you have to maintain TWO versions of the same layout forever. 🤦♂️ 5. Every time you change your UI, you have to remember to update the skeleton too I’m excited to share that I created AutoSkeleton — a zero-config engine that automatically mirrors your React and React Native layouts into beautiful shimmer placeholders. The Solution: AutoSkeleton introspects your real component tree and renders pixel-perfect placeholders that match your exact geometry (flexbox, margins, padding, and all). ✅ One API, Two Platforms: Works perfectly on both React (Web) and React Native. ✅ Zero Manual Markup: Just wrap your existing component and pass isLoading. ✅ Automatic Sync: If your UI changes, your skeleton updates automatically. ✅ Lightweight & Fast: Optimized for performance with smooth 60fps animations. Give it a star on GitHub or try it in your project: 📦 NPM: https://lnkd.in/gkjJDTvd npm install auto-skeleton-react-and-native Let’s make the "Loading..." spinner a thing of the past! 🥂 #ReactJS #ReactNative #WebDevelopment #MobileDevelopment #OpenSource #SoftwareEngineering #UXDesign #AutoSkeleton #JavaScript
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Getting back into a rhythm after a long break isn't always glamorous. You open VS Code, stare at a blank file, and just start, no perfect conditions, no grand plan. That's been my approach lately, and it's working. Project 4 is done. Here's what it is: https://lnkd.in/dSYzJWbg Product Card UI - Add to Cart App A fully functional product listing page with a cart sidebar, the kind of UI you see on real e-commerce sites, built from scratch in React. What it does: → Displays a product grid with images, ratings, and categories → Add to cart with live quantity controls (+/−) → Cart persists across page refreshes via localStorage → Calculates and updates total price in real time → Checkout flow with a success confirmation screen Tech used: → React (Vite) — component-based architecture → Tailwind CSS — custom design tokens, dark theme → localStorage — client-side cart persistence → Custom React Hook (useCart) — all cart logic isolated What I learned: → Lifting state up — keeping cart state in App.jsx and passing it down via props, rather than scattering state across components → Custom hooks — extracting cart logic into useCart.js keeps components clean and focused on UI only → Component architecture — each component has one job. ProductCard displays. Cart renders. useCart thinks. → localStorage sync with useEffect — reading on mount, writing on every state change This is Project 4 of my structured React learning path. Building in public. More coming. #React #JavaScript #TailwindCSS #Frontend #WebDevelopment #BuildInPublic #MERN #Fullstack #Developer
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Are unnecessary re-renders slowing down your React application? We all know the frustration of a laggy UI, but often the solution is hidden within simple optimization techniques we are already using just not effectively. I’ve put together a visualization that simplifies three of the most powerful strategies for optimizing React performance. Here is the quick breakdown: 1. Code Splitting: How React.lazy and Suspense can drastically improve initial load times by loading code only when it's absolutely necessary. 2. The Re-render Problem: Understanding that non-primitive data types (objects/functions) are assigned new memory addresses on every render the main culprit of expensive recalculations. 3. The Memoization Toolkit: A side-by-side comparison of when to deploy React.memo, useCallback, and useMemo to cache components, functions, and heavy calculation values. A little optimization can go a long way toward a smoother user experience. Save this guide for your next optimization sprint! 👇 How do you approach performance tuning in your React projects? Are you using useMemo sparingly, or is it your go-to optimization tool? Let’s share some best practices below. #ReactJS #WebDevelopment #FrontendEngineering #PerformanceOptimization #JavaScript #SoftwareEngineering
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Pagination isn’t just a backend detail—frontend developers feel its impact every day. Here’s the simple difference 👇 🔹 Offset Pagination /api/items?page=2&limit=10 ✔ Easy to implement ✔ Works well for tables ❌ Slower with large data ❌ Can cause inconsistent results 🔹 Cursor Pagination /api/items?cursor=abc123 ✔ Faster & scalable ✔ Perfect for infinite scroll ✔ Handles live data better ❌ No direct page jumping 💡 Frontend takeaway: Offset → replace data Cursor → append data That one decision changes your entire state management. Choose based on UX, not just API design. What are you using in your project—offset or cursor? #Frontend #WebDevelopment #JavaScript #UIUX #Performance
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Built and deployed a Weather Dashboard. This project fetches real-time weather data using the Fetch API and displays it with a clean, responsive UI. Features: * Search weather by city * Current location using Geolocation API * Search history with localStorage * Loading states and basic animations * Error handling for invalid inputs Tech: JavaScript, Fetch API, HTML, CSS, Vite JASIQ Labs Live: https://lnkd.in/dJR2SX2h GitHub: https://lnkd.in/dpych_QJ This helped me improve my understanding of APIs, async JavaScript, and frontend UX. Feedback is welcome. #javascript #webdevelopment #frontend #project
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Ever found yourself copying the same UI code again and again… for buttons, cards, or modals? 😩 And then fixing one bug meant updating it in 5 different places? That’s exactly the problem 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 solve. 🚀 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 — 𝗧𝗵𝗲 𝗕𝘂𝗶𝗹𝗱𝗶𝗻𝗴 𝗕𝗹𝗼𝗰𝗸𝘀 𝗼𝗳 𝗥𝗲𝗮𝗰𝘁 In traditional development, UI often becomes repetitive and hard to maintain. 👉 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 let you break your UI into 𝘀𝗺𝗮𝗹𝗹, 𝗿𝗲𝘂𝘀𝗮𝗯𝗹𝗲 𝗽𝗶𝗲𝗰𝗲𝘀. 💡 𝗪𝗵𝗮𝘁 𝗮𝗿𝗲 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀 (𝗮𝗻𝗱 𝘄𝗵𝘆 𝘂𝘀𝗲 𝘁𝗵𝗲𝗺)? A component is a 𝗿𝗲𝘂𝘀𝗮𝗯𝗹𝗲, 𝘀𝗲𝗹𝗳-𝗰𝗼𝗻𝘁𝗮𝗶𝗻𝗲𝗱 𝗽𝗶𝗲𝗰𝗲 𝗼𝗳 𝗨𝗜. Think of it like a LEGO block: ◦ Build once ◦ Reuse anywhere ◦ Customize with data React apps are basically a 𝘁𝗿𝗲𝗲 𝗼𝗳 𝗰𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁𝘀. 👉 Why it matters: ◦ Improves code reusability ◦ Makes apps easier to maintain ◦ Keeps logic and UI organized 🔍 𝗘𝘅𝗮𝗺𝗽𝗹𝗲: 𝗦𝗶𝗺𝗽𝗹𝗲 𝗥𝗲𝗮𝗰𝘁 𝗖𝗼𝗺𝗽𝗼𝗻𝗲𝗻𝘁 𝑓𝑢𝑛𝑐𝑡𝑖𝑜𝑛 𝐵𝑢𝑡𝑡𝑜𝑛({ 𝑙𝑎𝑏𝑒𝑙 }) { 𝑟𝑒𝑡𝑢𝑟𝑛 ( <𝑏𝑢𝑡𝑡𝑜𝑛> {𝑙𝑎𝑏𝑒𝑙} </𝑏𝑢𝑡𝑡𝑜𝑛> ); } 𝑒𝑥𝑝𝑜𝑟𝑡 𝑑𝑒𝑓𝑎𝑢𝑙𝑡 𝑓𝑢𝑛𝑐𝑡𝑖𝑜𝑛 𝐴𝑝𝑝() { 𝑟𝑒𝑡𝑢𝑟𝑛 ( <𝑑𝑖𝑣> <𝐵𝑢𝑡𝑡𝑜𝑛 𝑙𝑎𝑏𝑒𝑙="𝐿𝑜𝑔𝑖𝑛" /> <𝐵𝑢𝑡𝑡𝑜𝑛 𝑙𝑎𝑏𝑒𝑙="𝑆𝑖𝑔𝑛𝑢𝑝" /> </𝑑𝑖𝑣> ); } 🧠 𝗪𝗵𝗮𝘁’𝘀 𝗵𝗮𝗽𝗽𝗲𝗻𝗶𝗻𝗴 𝗵𝗲𝗿𝗲? ◦ Button is a reusable component ◦ label is a 𝗽𝗿𝗼𝗽 (data passed into the component) ◦ Same component is reused with different values 👉 Write once → use multiple times 👉 No duplication → cleaner code 🏗️ 𝗥𝗲𝗮𝗹-𝘄𝗼𝗿𝗹𝗱 𝘂𝘀𝗲 𝗰𝗮𝘀𝗲𝘀 Components are used everywhere in real projects: ◦ Navbar, Footer, Sidebar ◦ Product cards in e-commerce apps ◦ Reusable form inputs (Input, Select, Checkbox) ◦ Modals, loaders, notifications 👉 In large apps, hundreds of components work together 📌 𝗞𝗲𝘆 𝗧𝗮𝗸𝗲𝗮𝘄𝗮𝘆𝘀 ✔ Components make UI reusable and modular ✔ Props allow dynamic data rendering ✔ Breaking UI into components improves scalability If your UI feels repetitive… it’s a sign you need more components. 💬 How do you structure components in your projects — small & reusable or large & complex? 💡 Part of #FrontendRevisionMarathon — breaking down Frontend concepts daily 🚀 🚀 Follow Shubham Kumar Raj for more such content. #JavaScript #WebDevelopment #Frontend #CodingTips #100DaysOfCode #codinginterview #learnjavascript #programming #interviewprep #CareerGrowth #SowftwareEngineering #OpenToWork #ReactJS #FrontendDevelopment #Coding #Hiring
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