Understanding Event Bubbling and Capturing in JavaScript

🚀 ⚡React Project Spotlight: Simple Calculator App!** Just wrapped up building a functional calculator using **React.js**! This project helped me strengthen my React fundamentals. 👩🏾💻**Key Takeaways:**👩🏾💻 Tech Used:React.js (with HTML, CSS, and JavaScript). useState Mastery: Learned to manage display, operands, and operators using state effectively. Event Handling: Gained hands-on experience handling `onClick` events and passing functions between components. It’s an amazing experience!⚡🦾|Exciting to learn more in React.xn--js-n1t276azy83dlsa6r Check it out:https://lnkd.in/gqaCTPP5🌟 #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #CodingProject #useState #EventHandling

🎨 I just turned a simple color changer into a full-page React app! Now you can: Switch the background to Red, Green, or Blue Generate random RGB and HEX colors See the current color code live This project was a fun way to practice React state, useEffect, and clean component design. Thanks to School of Artificial Intelligence and Technology (SAIT) #ReactJS #Frontend #WebDev #JavaScript 

⚙️ Reduce Unnecessary Renders in React — The Smart Way ⚡ If your React app feels laggy, it’s probably re-rendering too much. Here’s how to fix it 👇 const data = useMemo(() => heavyCalculation(items), [items]); ✅ Runs only when items change ✅ Avoids expensive recalculations ✅ Boosts performance instantly Small change → faster UI → happier users 🚀 Performance isn’t luck — it’s attention to detail. #ReactJS #WebDevelopment #Performance #FullStackDeveloper #CodingTips #DeveloperVinod #JavaScript

You Can't Build React Apps Without useEffect. Here's Why. Think of your React component as a pure function: it turns props and state into UI. But real apps need to do more—they need to live in the real world. This is why useEffect is non-negotiable. It's the essential bridge that lets your component safely interact with everything outside itself. In short, useEffect is how you: Fetch data from an API when a component loads. Listen to events (like window resizing or WebSocket messages). Control third-party libraries that need to touch the DOM. Set up and clean up resources (like timers or subscriptions) to prevent memory leaks. Without it, your components are just beautiful, static templates. useEffect injects the lifecycle and interactivity that turns them into a living, breathing application. It's the hook that connects your UI to the rest of your tech stack. Agree? How do you use it most often? #React #ReactJS #WebDevelopment #JavaScript #Programming

𝗕𝗲𝘀𝘁 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸𝘀 𝗳𝗼𝗿 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗶𝗻 𝟮𝟬𝟮𝟱 Discover the top JavaScript frameworks that make apps fast, smooth, and content-rich in 2025! 🌐💻 From React and Vue to Svelte and Qwik, learn which tools help developers create high-performing apps with minimal effort. Whether building dynamic websites, single-page apps, or content-heavy platforms, these frameworks have features for speed, responsiveness, and efficiency. Level up development skills and deliver apps that impress users! 🚀✨ #JavaScript #WebDevelopment #ReactJS #VueJS #Svelte #NextJS #AnalyticsInsight #AnalyticsInsightMagazine Read More 👇 https://zurl.co/XGMv2

State is one of the core concepts in React — it allows components to store and manage dynamic data that changes over time. It’s what makes a React app feel alive — updating instantly in response to user interactions, API calls, or internal logic, without reloading the page. In this carousel, I’ve broken down: What state actually is and how it differs from props The process of updating the state and triggering re-renders Common beginner mistakes when working with state Best practices for keeping your components clean and maintainable Understanding how the state works is the first step toward building scalable, interactive, and high-performing React applications. React’s state system may seem simple at first glance — but it’s the foundation of every dynamic UI. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactState #MERNStack #SoftwareDevelopment #CleanCode #LearningInPublic #TechEducation

💡 🧠 Day 79 of #100DaysOfCode | React Personality Quiz App ✨ Today’s project was a fun and interactive one — I built a Personality Quiz App using React.js! 💫 The app asks a few simple questions and reveals whether you’re more of an introvert 🌿 or an extrovert 🔥 — all with smooth transitions and modern UI. 💻 Tech Stack: ⚛️ React.js 🎨 CSS (custom, no frameworks) 🧩 useState + conditional rendering ✨ Key Learnings: Managing quiz progress with state Conditional rendering for result screens Building an engaging UI with custom animations Adding logic-based scoring This one reminded me how coding can be both logical and creative at the same time 💡 Would you like to know what your developer personality says about you? 😄 #ReactJS #WebDevelopment #FrontendDeveloper #100DaysOfCode #JavaScript #WomenInTech #LearningInPublic #CodeNewbie #DeveloperJourney #UIUXDesign

✨ "Code what you love — and you’ll love what you code!" ✨ Excited to share my latest project — Note App 📝⚛ This project allows users to add and delete notes dynamically, helping me strengthen my understanding of React’s state management and event handling. Built completely using React.js, it’s a clean and simple app that shows how small components can create powerful interactivity. 💡 Through this project, I practiced: ✅ Using the useState hook for managing dynamic data ✅ Handling onChange and onClick events efficiently ✅ Rendering and updating lists using .map() ✅ Improving UI alignment using Bootstrap utilities A huge thank you to Sonia Ma’am and Shanthi Ma’am for their constant support and guidance. 🙏 🎯 Check out the project here: https://lnkd.in/etteKVpc 💻 GitHub Repository: https://lnkd.in/ebx3Zp6d #ReactJS #WebDevelopment #FrontendDevelopment #CodingJourney #JavaScript #LuminarTechnolab #LearningByDoing #Projects

React’s new useOptimistic() hook is a game-changer for user experience! It lets you update the UI immediately before the server confirms the change perfect for features like likes, comments, or chat messages. Example: const [optimisticMessages, addOptimisticMessage] = useOptimistic(messages); function handleSend(newMessage) { addOptimisticMessage([...optimisticMessages, newMessage]); sendToServer(newMessage); } 1- The UI feels instant 2- The user stays engaged 3- Errors can still be handled gracefully once the server responds I just tested this in a small MERN app, it makes the frontend feel buttery smooth. Have you tried useOptimistic() yet? #ReactJS #MERNStack #WebDevelopment #Frontend #JavaScript #Developers

⚡ 5 Ways to Make Your React App Faster React apps can easily slow down if we’re not careful — especially as they scale. Here are 5 proven ways to boost performance 👇 1️⃣ Use React.memo Wisely Prevents unnecessary re-renders for pure components. 2️⃣ Use useCallback & useMemo Stabilize functions and computed values that don’t change often. 3️⃣ Lazy Load Components Load what’s needed when it’s needed. Great for routes & heavy components. const About = React.lazy(() => import("./About")); 4️⃣ Avoid Inline Functions/Objects in JSX They create new references on every render. 5️⃣ Virtualize Long Lists Use libraries like react-window or react-virtualized to render only visible items. 💡 Optimization isn’t about doing everything — it’s about fixing the right bottlenecks. 👉 What’s your go-to performance trick in React? #ReactJS #FrontendDevelopment #WebPerformance #JavaScript #Optimization #WebDev