JavaScript Client and Server Side Development

The React pattern that eliminated 80% of my useEffect calls Most useEffect calls are just bad data derivation. Here is the derived state pattern that cleaned up years of accumulated complexity in my React components. Full breakdown (6 min read) → https://lnkd.in/gsS5RKC4 #ReactJS #Frontend #JavaScript #TypeScript #WebDev #UIEngineering

Day [7] of 111 days challenge Code for Change useSearchParams() (Client Component) This is a hook used inside client components .for example, a search bar that updates as the user types. "use client" import { useSearchParams } from "next/navigation" export default function SearchBar() { const searchParams = useSearchParams() const query = searchParams.get("q") } So when should you use which? Fetching/filtering data on the server? => use searchParams (prop) Building interactive UI that updates the URL? => use useSearchParams() (hook) #NextJS #WebDevelopment #React #LearningInPublic #JavaScript #BeginnerDeveloper #AppRouter #111DaysOfCode

React Query changed how I think about state — and I have not used Redux since The server state vs client state distinction that React Query makes explicit replaced my need for Redux entirely. Here is the mental model shift. Full breakdown (7 min read) → https://lnkd.in/gcUhHrV2 #ReactJS #Frontend #JavaScript #TypeScript #WebDev #UIEngineering

🚀 Mastering React Hooks . ➡️ useState batching & functional updater pattern ➡️ useEffect cleanup, dependency array pitfalls ➡️ useLayoutEffect vs useEffect - when to use each ➡️ useRef - mutable values without re-renders ➡️ useMemo — referential stability vs computation cost ➡️ useCallback - stable function references ➡️ useReducer - complex state machines ➡️ useContext - consumer re-render behaviour ➡️ custom hooks - extraction & composition patterns ➡️ uselmperativeHandle + forwardRef ➡️ useDeferredValue & UseTransition (React 18) ➡️ useld, useSyncExternalStore (React 18) 🚀 Follow Chinmay Kulkarni for more . #React #ReactJS #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #FrontendEngineer #SoftwareEngineering #CodingInterview #InterviewPreparation #React18 #PerformanceOptimization #TechCareers #Developers #SeniorDeveloper

⚛️ React Concept: useState Explained with Real Examples The "useState" hook allows you to add state management to functional components. It helps you store and update data that changes over time — like user input, counters, or UI state. Basic syntax: const [state, setState] = useState(initialValue); 🔹 "state" → current value 🔹 "setState" → function to update the value 📌 Common use cases: • Counter functionality • Form inputs • Toggle UI (show/hide) 📌 Best Practice: Always update state using the setter function and avoid directly mutating state. #reactjs #frontenddevelopment #javascript #webdevelopment #softwareengineering

Building a strong JavaScript stack in 2026 is no longer about “learning everything” — it’s about a focused, beginner‑friendly roadmap that actually gets you job‑ready. I recently came across this clear JavaScript Stack Roadmap 2026 (Beginner Edition) that breaks down: Web fundamentals (HTML, CSS, browser basics) Core JavaScript + DOM Modern frontend (React / Next.js) Backend (Node.js + Express) Databases and deployment …and how to sequence them without falling into tutorial hell. If you’re a beginner trying to figure out what to learn next in the JS ecosystem, this roadmap is a great sanity check: 👉 https://lnkd.in/gnx3-n5a Would love to hear from you: Are you following a structured roadmap like this, or learning “by fire”? What’s the one JS‑related skill you’re focusing on this month? #JavaScript #WebDevelopment #Frontend #React #NodeJS #FullStack #Roadmap2026 #BeginnerDeveloper

The modern web runs on powerful technologies. From HTML, CSS, and JavaScript to React, Node.js, and MongoDB, this stack forms the foundation of real-world applications. Master it, and you unlock endless opportunities in tech. 🚀 #webdevelopment #mernstack #learncoding #javascript #techskills

If web development were a human body… 🧠💻 · HTML → Structural (the skeleton) · CSS → Presentation (skin & style) · JavaScript → Behavioral (muscles & movement) · Node.js → Brain (central command) · MongoDB → Memory (stores experiences) · React → Personality (dynamic & interactive) · Express.js → Nervous system (relays signals fast) · REST API → Communication system (talks to the outside world) Every part plays a role. Together, they make a full‑stack human. 😄 Which tech would you add to this analogy? Let me know below 👇 #WebDevelopment #FullStack #CodingLife #TechHumor #JavaScript #NodeJS #React #MongoDB #ExpressJS #RESTapi

⚡ JavaScript Performance: Common Pitfalls Avoid these performance killers: 1. **DOM manipulation in loops** ```js // Bad for (let i = 0; i < 1000; i++) { document.body.appendChild(createElement()); } // Good const fragment = document.createDocumentFragment(); for (let i = 0; i < 1000; i++) { fragment.appendChild(createElement()); } document.body.appendChild(fragment); ``` 2. **Unnecessary re-renders in React** ```js // Use useMemo, useCallback, React.memo ``` 3. **Blocking the main thread** ```js // Use Web Workers for heavy computation ``` What's your biggest JavaScript performance fix? #JavaScript #Performance #Frontend #Optimization

JavaScript Challenge for Developers What will be the output? '5' == 5 '5' === 5 Same input… but different results? Drop your answers in the comments #JavaScript #CodingChallenge #Frontend #Developers