⚡ Debouncing vs Throttling in JavaScript Both improve performance but they solve different problems. 🔹 Debouncing Runs after the user stops triggering the event Best for: search input, resize, autocomplete 🔹 Throttling Runs at fixed intervals while the event continues Best for: scroll, mouse move, window tracking 📌 Quick rule: Wait for pause → Debounce Limit frequency → Throttle At TechXons, better UX starts with smarter frontend optimization. 🚀 #TechXons #JavaScript #FrontendDevelopment #WebPerformance #CodingTips #WebDevelopment
JavaScript Debouncing vs Throttling: Performance Optimization Techniques
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Can we actually build a <Popover /> component just like shadcn/ui from scratch? Yes — and it's easier than you might think. A few weeks ago, I was struggling with the usual popover headaches: - Z-index conflicts - Positioning issues inside deeply nested containers - Content getting clipped by parent elements with overflow: hidden Then I discovered (and truly understood) ReactDOM.createPortal. Here's the game-changer: By using a portal, we can render the PopoverContent outside the normal DOM tree — directly into the <body> (or a dedicated portal container). This instantly solves: - Z-index battles - Clipping and overflow problems - Complex positioning issues But I didn't stop there. I also added smart positioning logic (inspired by how shadcn + Radix UI works): → When the PopoverContent doesn't have enough space at the bottom, it automatically flips and appears on top of the trigger. → Same for left/right sides. The result? A clean, smooth UX that feels premium — exactly like shadcn/ui's popover. This small deep dive into frontend system design taught me something important: The real skill upgrade doesn't come from just copying components. It comes from understanding why they work the way they do — and then building them yourself. Portals + floating UI logic = powerful mental model for any overlay (tooltips, dropdowns, modals, etc.). Have you built your own popover or tooltip from scratch? Or are you still fighting z-index wars in your projects? 😅 Drop a comment — I'd love to hear your experience (and any tips you have!). #React #Frontend #WebDevelopment #JavaScript #SystemDesign #shadcn
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Built a simple yet interactive Registration Form using HTML, CSS, and JavaScript 💻 In this project, I implemented: 🔹 A user-friendly registration form 🔹 Pop-up notifications for better UX 🔹 JavaScript timing functions like `setTimeout` and `setInterval` These features helped me understand how timing functions can enhance interactivity — from delayed messages to repeated actions. Small project, big learning! 🚀 #WebDevelopment #JavaScript #Frontend #Coding #LearningByDoing
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I recently came across an idea that completely changed how I think about building UIs. Instead of relying on the DOM and CSS for layout, what if we move layout computation into TypeScript? At first, it sounds unusual — but it actually makes a lot of sense when you look at performance: • Smooth UI requires ~60 FPS → ~16ms per frame • Layout/reflow is one of the biggest performance bottlenecks • As the DOM grows, performance degrades rapidly The core idea is simple: 👉 Pre-compute layout outside the DOM 👉 Minimize or eliminate reflows 👉 Gain finer control over rendering Some demos are already showing impressive results — rendering massive amounts of text at ~120 FPS. If this approach matures, it could lead to a shift in how we architect frontends: • DOM becomes more of a “render layer” • More control moves into JS/TS • New UI patterns emerge (especially for AI-heavy apps) It still feels early — but definitely something worth watching. Curious to hear your thoughts: Is this the beginning of a real shift, or just a niche optimization? #Frontend #WebDev #Performance #UI #JavaScript
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𝐁𝐞𝐬𝐭 𝐂𝐒𝐒 𝐅𝐫𝐚𝐦𝐞𝐰𝐨𝐫𝐤𝐬 𝐭𝐨 𝐔𝐬𝐞 𝐢𝐧 𝟐𝟎𝟐𝟔 𝐟𝐨𝐫 𝐅𝐚𝐬𝐭 𝐚𝐧𝐝 𝐑𝐞𝐬𝐩𝐨𝐧𝐬𝐢𝐯𝐞 𝐃𝐞𝐬𝐢𝐠𝐧 Frontend wars just got intense. Developers chase speed, responsiveness, and pixel-perfect UI dominance in 2026. Tailwind storms ahead, Bootstrap refuses to fade, and lightweight frameworks disrupt silently. Choosing the right CSS weapon now decides product success tomorrow. Code faster. Ship smarter. Design fearless. Digital experiences demand nothing less. #WebDev #CSSFrameworks #FrontendFuture #analyticsinsight #analyticsinsightmagazine Read More 👇 https://zurl.co/i0Jc0
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#FrontendFridays - Loading to Success Button This week, I built a simple yet practical UI interaction that transitions a button from a loading state to a success state. This pattern is commonly used in real-world scenarios like form submissions and API calls to provide clear user feedback. Key highlights: • Loading spinner with disabled state • Smooth transition to success feedback • Auto reset after completion • Lightweight and reusable component Live Demo: https://lnkd.in/gZ2jgKYy Continuing to explore small UI interactions that improve user experience with minimal code. #FrontendFridays #FrontendDevelopment #WebDevelopment #UIUX #JavaScript #CSS #HTML
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A recent architectural breakthrough by Cheng Lou (ex-React core, ReasonML creator) highlights a fundamental shift in how we approach high-performance web applications: bypassing the browser’s layout engine entirely. For years, building complex, application-grade UIs—like design tools or dynamic chat interfaces—has meant fighting the browser’s document rendering pipeline. Every time an application needs to measure text size, it asks the browser. This triggers a reflow, locks the main thread, and eats into the 16ms-per-frame budget. Historically, our solutions have been workarounds: Virtual DOMs to batch writes, CSS containment to limit the blast radius, or strict read/write separations. We accepted that the browser owns layout; we just tried to interrupt it less often. The Breakthrough Cheng Lou’s new UI stack (currently powering Midjourney’s interface on Bun) takes a different route: zero layout passes. By measuring text in pure TypeScript and skipping the DOM and CSS entirely, he demonstrated a categorical performance leap—dropping layout calculation times from 30ms to 0.05ms. While Cheng’s specific engine isn't a simple package we can drop into our projects just yet, the underlying philosophy—moving away from DOM-dependent layouts for heavy interactive elements—is something we can start applying right now: 1. Render Heavy UI on Canvas/WebGL 2. CSS Containment 2. Adopt "App-First" Frameworks We are moving past hacking the document renderer. The future of complex web apps is treating the browser as a blank canvas rather than a document. #UIArchitecture #WebPerformance #FrontendEngineering #ReactJS #WebDevelopment
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Are you still using media queries based on the viewport for everything? 📱 Have you ever heard of 👉 Container Queries in #CSS? Instead of making components respond to the screen size… you make them respond to their own container size. That means a component adapts based on where it lives — not the device it’s viewed on. This unlocks: ♻️ Truly reusable components. 🧼 Cleaner responsive design. 🚫 Less dependency on global breakpoints. It’s a small shift in mindset, but a big improvement in how we build UI.
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🚀 𝗕𝘂𝗶𝗹𝘁 𝗮𝗻 𝗜𝗻𝘁𝗲𝗿𝗮𝗰𝘁𝗶𝘃𝗲 𝗖𝗮𝗹𝗲𝗻𝗱𝗮𝗿 𝘄𝗶𝘁𝗵 𝗥𝗮𝗻𝗴𝗲 𝗦𝗲𝗹𝗲𝗰𝘁𝗶𝗼𝗻 & 𝗡𝗼𝘁𝗲𝘀 I recently worked on a frontend challenge where the goal was to turn a static wall calendar design into a fully interactive component — and I took it as an opportunity to focus on both functionality and product experience. 🔹 Key features: • 📅 Dynamic month navigation with smooth animations • 🎯 Date range selection (with reverse handling & hover preview) • ✍️ Notes system attached to selected date ranges • 💾 Persistent data using localStorage • 🖼 Dynamic hero images for each month • 🎨 Clean, responsive UI inspired by real wall calendars Instead of over-engineering, I focused on: → Clean architecture using custom hooks → Avoiding unnecessary state libraries (kept it simple & scalable) → Improving UX with small but impactful details 🔗 Live Demo: https://lnkd.in/gwfBCZw4 💻 GitHub: https://lnkd.in/gTPyR8zm Would love to hear your feedback! #react #frontend #javascript #webdevelopment #tailwindcss #framerMotion #uiux
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Most swipe gesture code looks like this: if (deltaX > 100) { triggerSwipe(); } Clean. Readable. And completely broken in real use. Why? Because it only tracks distance. And distance can't tell the difference between a slow, uncertain drag and a sharp, intentional flick. The fix is one line: const velocity = (currentX - lastX) / (currentTime - lastTime); That's a derivative. dx/dt. High school calculus. Once you add velocity, everything changes: → Quick flick, short distance? Trigger it. The user meant it. → Slow drag, long distance? Let it snap back. They were just exploring. I wrote about this, how the gap between a gesture that feels native and one that feels broken isn't some framework magic. It's just math. Link in comments 👇 #frontend #webdev #javascript #react #ux #gestures
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Modern web performance challenges are not always rooted in inefficient code, but often in the underlying browser architecture. Cheng Lou has recently explored an alternative approach to UI rendering that questions long-standing assumptions in frontend development. In the current model, every UI update passes through a sequence of steps: • DOM updates • Layout recalculation (reflow) • Paint and compositing This pipeline operates on the main thread and can introduce latency, particularly in complex applications where frequent updates are required. An emerging experimental direction proposes: • Reducing or eliminating dependency on the DOM • Avoiding traditional CSS-based layout systems • Implementing a custom rendering layer using TypeScript • Drawing UI elements directly, similar to canvas or GPU-driven approaches The potential advantages include: • Improved rendering performance • Greater control over layout and updates • More predictable behavior under heavy UI workloads However, this approach also introduces trade-offs: • Increased implementation complexity • Limited ecosystem and tooling support • Challenges related to accessibility and search engine optimization This line of exploration does not replace existing frameworks such as React, but it highlights an important shift in thinking—from optimizing within browser constraints to re-evaluating those constraints altogether. As frontend systems continue to evolve, understanding these foundational trade-offs will be critical in making informed architectural decisions. #Frontend #WebDevelopment #React #JavaScript #WebPerformance #SystemDesign
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