How useLayoutEffect improved my React JS projects

🎨 Background Color Changer – React + TailwindCSS Built a fun mini project using React Hooks (useState) and TailwindCSS to dynamically change background colors with just a click! 🚀 🟢 Each button updates the background instantly without refreshing the page. 💻 A simple yet effective way to practice state management, inline styling, and responsive UI design. This small project gave me a hands-on understanding of how React re-renders components when the state changes — a core concept every React developer should master. 🧠 Tech Stack: React.js, TailwindCSS 💡 Concepts Covered: useState Hook, Dynamic Styling, and Component Rendering Here’s how it looks 👇 📸 (Attach your screenshot here) #ReactJS #TailwindCSS #FrontendDevelopment #WebDevelopment #ReactHooks #LearningByBuilding #MERNStack #CodingJourney #100DaysOfCode

Last week I published my personal project, Random UI, a collection of components, hooks and utilities for React/Next.js. Today, I want to spotlight a component I’m incredibly proud of: The Markee. (Yes, "Marquee" was too boring) It’s a simple, performant, and composable marquee component for React/Next.js, and I designed it with a specific philosophy in mind. Why is it different? 🔹 Inspired by shadcn/ui: It follows the same design pattern. Delivered with compound components, to make it reliable, powerful and standardized. 🔹 Zero JavaScript, Pure Performance: This component uses only CSS and Tailwind CSS for the animation. No external libraries, no heavy JS calculations. Just buttery-smooth performance. 🔹 Fully Composable & Customizable: It’s built with compound components (MarkeeItem, MarkeeFade, MarkeeSpacer) giving you granular control over every part. It’s fully responsive and super flexible. 🔹 Copy & Paste Ready: It’s unstyled by default (like shadcn/ui), so you can drop it into any project and have it match your design system instantly. I even created a short video showing how you can copy, paste, and import it into your project in just 2 minutes. Stop bloating your bundle with another dependency. Check out the "Markee" docs here: https://lnkd.in/dUrTk-mV Let me know what you think! #react #nextjs #tailwindcss #css #frontend #webdevelopment #opensource #uikit #components #shadcnui #reactjs #developers #programming

🚀 The Decorator Pattern (JavaScript) The Decorator pattern dynamically adds responsibilities to an object without modifying its structure. Decorators provide a flexible alternative to subclassing for extending functionality. In JavaScript, this can be achieved by wrapping an object with additional functionality. This allows you to add behavior to individual objects, rather than applying it to an entire class of objects. Decorators are useful for adding cross-cutting concerns, such as logging or validation. Learn more on our app: https://lnkd.in/gefySfsc #JavaScript #WebDev #Frontend #JS #professional #career #development

🚀 Built a Search Filter App using ReactJS & Tailwind CSS — and this tiny project helped me understand how React efficiently updates the Virtual DOM when dealing with dynamic lists. Here’s what I learned 👇 - How to handle controlled inputs with useState - Filtering data in real time without mutating the original array - Why React’s Virtual DOM makes rendering faster and smoother - How Tailwind speeds up UI styling with clean, reusable classes Sometimes, you don’t need a big project to level up — just one clean concept done right. 👉 Live Demo: https://lnkd.in/gYcc3p4x 👉 GitHub Repo: https://lnkd.in/gTUN_mfb #reactjs #frontend #javascript #webdevelopment #tailwindcss #buildinpublic #softwareengineering

🤔 Whats the difference 👇 📌 Next.js : React Universse Think of it as what users see and interact with on the screen (UI layer). Next.js is built on React to help you create fast web apps with features like: 🔶 Server-Side Rendering (SSR) 🔶 Static Site Generation (SSG) 🔶 Routing and API integration 🔶 SEO friendly 📌 NestJS : Nodejs Universe Think of it as where you keep your business logic, APIs, and data handling. NestJS is built on Nodejs and powered by TypeScript. It gives structure to your backend using: 🔶 Decorators 🔶 Dependency Injection 🔶 Modularity And then there’s 📌 Nuxt.js : VueJs Universe. 🔶 same as Nextjs but built for Vue's universe instead of React 🔶 Same idea of SSR, SSG, routing, APIs For full-stack app, you might actually work on: 🌐 NestJS for the API layer (backend) 💻 Next.js for the UI layer (frontend) 🛸 Nuxt.js if you prefer Vue’s universe for frontend #JavaScript #Frontend #WebDevelopment #backend #ReactJS #AngularJs #Vue #spiderman #meme #NestJs #Nextjs #Nustjs

🤔 Whats the difference 👇 📌 Next.js : React Universse Think of it as what users see and interact with on the screen (UI layer). Next.js is built on React to help you create fast web apps with features like: 🔶 Server-Side Rendering (SSR) 🔶 Static Site Generation (SSG) 🔶 Routing and API integration 🔶 SEO friendly 📌 NestJS : Nodejs Universe Think of it as where you keep your business logic, APIs, and data handling. NestJS is built on Nodejs and powered by TypeScript. It gives structure to your backend using: 🔶 Decorators 🔶 Dependency Injection 🔶 Modularity And then there’s 📌 Nuxt.js : VueJs Universe. 🔶 same as Nextjs but built for Vue's universe instead of React 🔶 Same idea of SSR, SSG, routing, APIs For full-stack app, you might actually work on: 🌐 NestJS for the API layer (backend) 💻 Next.js for the UI layer (frontend) 🛸 Nuxt.js if you prefer Vue’s universe for frontend #JavaScript #Frontend #WebDevelopment #backend #ReactJS #AngularJs #Vue #spiderman

Problem: When rendering large lists, React re-renders the entire list even if only one item changes — causing lag and performance drops. Real React optimization starts with re-render control. ⚛️ When lists grow, performance drops — not because React is slow, but because of how we manage renders. Using React.memo() and stable keys like id prevents unnecessary updates, making UI snappy and efficient. This isn’t a “hack” — it’s how production-grade React apps stay fast. Even better: pair this with useCallback for stable handlers and you’ll see a big performance jump. ✨ Key Insights: ⚡ Avoid using array indexes as keys — use unique IDs 🧠 Use React.memo() for pure, static components 🔁 Combine with useCallback to keep references stable 🚀 Works perfectly in React 18+ and Next.js 14+ for list-heavy UIs hashtag #React19 #Nextjs14 #FrontendDevelopment #WebDevelopment #ReactJS #CleanCode #PerformanceOptimization #ReactHooks #ModernReact #FrontendEngineer #CodeOptimization #JavaScript #UIUX #DeveloperExperience #CodingBestPractices #tips #ProblemSolving

💡 Problem: When rendering large lists, React re-renders the entire list even if only one item changes — causing lag and performance drops. Real React optimization starts with re-render control. ⚛️ When lists grow, performance drops — not because React is slow, but because of how we manage renders. Using React.memo() and stable keys like id prevents unnecessary updates, making UI snappy and efficient. This isn’t a “hack” — it’s how production-grade React apps stay fast. Even better: pair this with useCallback for stable handlers and you’ll see a big performance jump. ✨ Key Insights: ⚡ Avoid using array indexes as keys — use unique IDs 🧠 Use React.memo() for pure, static components 🔁 Combine with useCallback to keep references stable 🚀 Works perfectly in React 18+ and Next.js 14+ for list-heavy UIs #React19 #Nextjs14 #FrontendDevelopment #WebDevelopment #ReactJS #CleanCode #PerformanceOptimization #ReactHooks #ModernReact #FrontendEngineer #CodeOptimization #JavaScript #UIUX #DeveloperExperience #CodingBestPractices #tips #ProblemSolving

🖼️ Project 4 — React Gallery Pro 📂 Repo → https://lnkd.in/giy74wV8 React Gallery Pro 🚀 What I Learned: This was the capstone project of the series — a polished gallery app fetching real data through APIs, designed with premium glassmorphic UI and advanced motion effects. 🧩 Key Concepts: API Fetching with useEffect State Management Framer Motion Animations Pagination & Smooth Transitions TailwindCSS Glass Design ⚡ Tech Stack: React ⚛️ | TailwindCSS 🎨 | Framer Motion 🎞️ | Picsum API 🌐 💬 Takeaway: Turning knowledge into experience — from props to APIs, this project marks the transition from learning React to building with confidence. Big thanks again to Sarthak Sharma for being an incredible guide and creating structured learning paths 🙌 On to the next phase 🚀 — building full-stack projects soon 👨💻💡 #ReactJS #Frontend #WebDevelopment #LearningJourney #FramerMotion #TailwindCSS #WebDesign #javascript #developerjourney

🤔 Ever wondered how React makes UI updates so fast? Here’s the secret sauce 👇 ✨ React’s Rendering Process (Simplified) 1️⃣ Render Phase → React decides what the UI should look like by building a Virtual DOM. 2️⃣ Reconciliation → It compares old vs. new Virtual DOM trees using the Diffing Algorithm. 3️⃣ Commit Phase → Only the changed parts are updated in the real DOM. 💡 Why this matters: Faster updates ⚡ Minimal DOM manipulation 🛠️ Smooth user experience 🎯 React doesn’t touch the DOM directly — it relies on renderers like React DOM (for web) and React Native (for mobile) to do the heavy lifting. 👉 In short: React = Virtual DOM + Smart Diffing + Efficient Updates ✅ #React #JavaScript #WebDevelopment #Frontend #ReactJS #Coding #UIUX #Performance #DevLife