Svelte vs Traditional Frameworks: Optimized JavaScript Performance

Closures are one of those JavaScript concepts that feel confusing at first, but once you understand them, a lot of things start making sense. #javascript #frontend

What is a closure in JavaScript? A closure is a function that remembers variables from its outer scope even after that scope has finished executing. Why does this work? - `createCounter` runs once - It creates a variable `count` - The inner function “closes over” that variable - Even after `createCounter` finishes, `count` is still accessible Each time `counter()` runs: → it uses the same preserved state 💡 Closures are everywhere: - React hooks - Event handlers - Memoization - Encapsulation patterns They’re not just a concept — they’re part of how JavaScript manages state. #Frontend #JavaScript #React #WebDevelopment #SoftwareEngineering

𝑪𝒓𝒆𝒂𝒕𝒊𝒏𝒈 𝒂 𝑹𝒆𝒂𝒄𝒕 𝒑𝒂𝒄𝒌𝒂𝒈𝒆 𝒔𝒐𝒖𝒏𝒅𝒔 𝒉𝒂𝒓𝒅𝒆𝒓 𝒕𝒉𝒂𝒏 𝒊𝒕 𝒊𝒔… 𝒖𝒏𝒕𝒊𝒍 𝒚𝒐𝒖 𝒐𝒗𝒆𝒓𝒄𝒐𝒎𝒑𝒍𝒊𝒄𝒂𝒕𝒆 𝒊𝒕. A few things that helped me: - Start with one reusable component, not a full library - Use Vite for fast setup - Test it locally with npm link before publishing Simple > perfect. How are you structuring your packages? #reactjs #javascript #webdev #frontend #opensource

🚀 💡 JavaScript Tricky Question Explanation const arr = [4, 10, 2, 8]; const result = arr.find(num => num > 5) + arr.findIndex(num => num > 5); console.log(result); 👉 Output: 11 👉 Explanation: * find() returns the first value > 5 → `10` * findIndex() returns its index → `1` * Final result → `10 + 1 = 11` ⚡ Both stop at the **first match** #JavaScript #WebDevelopment #Frontend #CodingInterview #JSConcepts

I built the same simple form in two ways: - React Hook Form + MUI → 136 lines - Dashforge → 74 lines Same result. This is a simple case… imagine when it gets complex. Curious to hear how others are handling forms in React. #react #reacthookform #mui #frontend #webdevelopment #javascript #typescript #developerexperience

Want to share frontend code? Add a code snippet others can view and copy. Or upload a live demo with a link to the source. Both viewable. Both copyable. Because the code is part of the work. #frontend #webdevelopment #JavaScript #UIdesign #creadevs

Built two practical React features today: • Back to Top • URL Validation Solved on Namaste Dev Platform NamasteDev.com sir Akshay Saini 🚀 Focused on clean logic, reusable components, and real-world usability. Consistent small wins → long-term growth. #ReactJS #Frontend #JavaScript #WebDevelopment #LearningInPublic

📌 Part 8 of 10: A lot of React bugs make more sense once you realize state behaves more like a snapshot than a live variable. That idea sounds small. But once it clicks, a lot of confusing behavior starts making more sense. Why logs can feel misleading. Why updates don’t look immediate. Why handlers sometimes “see” older values than people expect. Once I really understood that, I stopped fighting React as much. I started designing with it instead. What React concept took longer to click for you than expected? #React #ReactJS #StateManagement #JavaScript #FrontendDevelopment #Debugging #TypeScript

Why does React feel so fast? ⚛️🚀 It’s not just about the Virtual DOM 👇 • Calculates minimal changes • Updates only what’s needed • Batches multiple updates • Avoids unnecessary re-renders 👉 Result: Faster and smoother UI In simple terms: React updates only the changed part, not the whole page. #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #MERNStack #SoftwareEngineering

React Error Boundaries are basically try/catch for UI rendering. Without one, a single broken component can crash the whole screen. With an Error Boundary, React catches the failure and shows a fallback UI instead. Even better: with react-error-boundary, you can also handle async errors using showBoundary(). You can get example code from my blog: https://lnkd.in/gDYnB7h5 #React #Frontend #JavaScript #WebDevelopment