Optimize React Layout with Outlet for Scalable UI

The question that changed how I write React: "Does React need to know about this?" Early on, everything went into state. - Window width? useState + useEffect + event listener. - Theme? useState with a toggle. - Scroll position? useState on every scroll event. Every useState is a contract with React: "re-render me when this changes" Most of the time, React doesn't need that contract. Window width changes on every pixel of resize. That's hundreds of re-renders for something CSS media queries handle without JavaScript. A theme toggle? CSS custom properties. Change the variable, the browser updates everything. No React re-render needed. A scroll position for parallax? A ref + requestAnimationFrame. Direct DOM. No state. No render cycle. The instinct is "I'm in React, so I use React APIs". But React is a rendering engine. Not everything in your app is a rendering problem. The best React code I've written recently is code where React isn't involved. Event listeners instead of useEffect. CSS variables instead of useState. Refs instead of state for values React doesn't display. The fewer things React tracks, the less work it does, the faster your app feels. The best hook is the one you didn't write. #ReactJS #Frontend #SoftwareArchitecture #SystemDesign #Engineering

4 Challenges I Solved While Building a Shape Drawer Date: 8/4/2026 Today, I made a shape drawer project using React.js. 😊 This project is not for a resume or showcase. It is a project to build your logical thinking and to practice React syntax and logic. 🤔 In this project, I faced: 1. How to draw shapes based upon user clicks. 👉 For this problem, I learned what the getBoundingClientRect() function is. 2. How to achieve undo and redo functionality. 👉 For this problem, I used an undo stack and a redo stack, similar to a LIFO structure. 3. How to handle disabled buttons for both undo and redo. 👉 For this problem, I learned dynamic CSS styling. 4. How to get values for draw type, draw background color, and draw sizes. 👉 For this problem, I again used dynamic CSS styling based upon state. I did not only face these problems; I also created many states, performed CRUD operations, and handled app crashes. If you want to improve your logic and are not focused on UI, then I highly recommend you make this project. 🤔 I think this is a better way to improve your logic than only giving your entire time to LeetCode. Github repo - https://lnkd.in/gyextzCi #ReactJS #WebDevelopment #CodingJourney #JavaScript #FrontendDeveloper #ProgrammingLogic #100DaysOfCode #BuildInPublic #DeveloperCommunity #CodeNewbie #LogicBuilding #Frontend

#JourneyToTechJob – Day 5 🚀 #50DaysOfRevision Built a simple Color Picker Web App using JavaScript. Features: ✔️ Change background color with button clicks ✔️ Display selected color code ✔️ Dynamic UI updates using DOM manipulation What I learned: → Handling events in JavaScript → Updating UI dynamically → Writing reusable functions 🔗 Live Demo: https://lnkd.in/grH-tWFG Here’s a quick demo of the project 👇 #SoftwareDevelopment #JavaScript #FrontendDevelopment #WebDevelopment #Projects #50DaysOfCodeChallenge

The DOM is officially a bottleneck. 🤯 Cheng Lou (former React core team) just dropped Pretext, and it is challenging how browsers have handled text layout for the past 30 years. For decades, figuring out how much space a paragraph occupies meant rendering it in the browser and measuring it. This triggers layout reflows (using tools like getBoundingClientRect), which is one of the most expensive and thread-blocking operations in web development. Enter Pretext: A pure JavaScript/TypeScript library that handles multiline text measurement without touching the DOM. Here is why it is so powerful: Instead of relying on CSS rendering, it uses an off-screen Canvas and a clever two-phase API (prepare() and layout()) to pre-calculate word sizes using pure arithmetic. The layout operations run in roughly 0.09ms. It natively supports platform-specific emojis, complex text directions (RTL), and different languages. It enables previously impossible UI effects, like text fluidly wrapping around moving, draggable obstacles in real-time. The project rocketed past 10,000 GitHub stars in just days because it solves a massive performance hurdle for the next generation of spatial and interactive UIs. #WebDevelopment #JavaScript #TypeScript #Frontend #SoftwareEngineering #TechNews #UIUX

I recently completed a project focused on building and enhancing a Simple Todos app. This project was a great way to dive deeper into React state management, conditional rendering, and dynamic UI updates. Key features I implemented: ✅ Dynamic Task Creation: Added a text input and "Add" button to create tasks on the fly. ✅ Bulk Task Entry: Built a smart "Multi-Add" feature automatically generates three separate entries. ✅ In-Place Editing: Implemented an "Edit/Save" toggle for each item, allowing users to update titles without leaving the list. ✅ Task Completion: Added checkboxes with a persistent strike-through effect to track progress. ✅ Stateful Deletion: Ensured a smooth user experience when removing items from the list. This project pushed me to think about component structure, reusable props, and clean UI logic in React. Check out the implementation here: https://lnkd.in/dtG46cwU #Day97 #ReactJS #WebDevelopment #Frontend #JavaScript #CodingProject #LearnToCode #ReactComponents #NodeJS #ExpressJS #BackendDevelopment #WebDevelopment #NxtWave #LearningJourney #TechAchievement

🚀 React Re-rendering — Key Concepts Re-rendering is the core of how React keeps UI in sync with data. Without it, there would be no interactivity in our applications. Here are some important insights I've learned: 🔹 State updates are the primary trigger for re-renders 🔹 When a component re-renders, all its child components re-render by default 🔹 Even without props, components still re-render during the normal render cycle (without use of memoization). 🔹 Updating state in a hook triggers a re-render, even if that state isn’t directly used 🔹 In chained hooks, any state update will re-render the component using the top-level hook 🔹 “Moving state down” is a powerful pattern to reduce unnecessary re-renders in large applications #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering #LearningInPublic

12 Powerful Techniques to Optimize Your React Application 🔥 1. Image Optimization Use modern formats like WebP, compress images, and serve responsive sizes ⚡ 2. Route-Based Lazy Loading Load pages only when needed using React.lazy and Suspense 🧩 3. Component Lazy Loading Avoid loading heavy components upfront 🧠 4. useMemo Memoize expensive calculations 🛑 5. React.memo Prevent unnecessary re-renders 🔁 6. useCallback Avoid recreating functions on every render 🧹 7. useEffect Cleanup Prevent memory leaks and manage side effects properly ⏱️ 8. Throttling & Debouncing Optimize API calls and event handlers 📦 9. Fragments Reduce unnecessary DOM nodes ⚡ 10. useTransition Keep UI smooth during state updates 🧵 11. Web Workers Handle heavy computations in the background 🌐 12. Caching with React Query Reduce API calls and improve user experience 💡 Apply these techniques to take your React apps from average → production-grade performance 👉 Save this post for later 👉 Repost with your developer friends 👉 Follow Mohit Kumar for more content like this #ReactJS #WebDevelopment #Frontend #JavaScript #Performance #CodingTips #ReactDeveloper #MERN #Tech #MohitDecodes