Khushvant Jadhao’s Post

React Performance isn’t about adding hooks everywhere. It’s about adding them where they matter. Most applications suffer from unnecessary re-renders and unstable references. Two small hooks. Massive impact: 1. useCallback → Stabilize function references 2. useMemo → Avoid expensive recalculations But misuse them, and you just add complexity with zero gains #ReactJS #NextJS #FrontendDevelopment #WebPerformance #JavaScript #SoftwareEngineering #ReactPerformance #Optimization #CleanCode #TechLeadership #UIDevelopment #ProgrammingTips

Most performance issues come down to one thing: Unnecessary Re-renders. React is fast, but it’s not magic. If you don't manage how and when your components update, your DOM will pay the price. In this carousel, I break down: The 4 core triggers of a re-render. The 'Waterfall Effect' in parent-child relationships. How to stabilize your code using professional patterns." #ReactJS #WebDevelopment #JavaScript #FrontendPerformance #MERNStack #ReactHooks #ZhairAhmad #SoftwareEngineering

Built a Password Generator using React while learning React Hooks in depth. Worked with useState, useEffect, useCallback, and useRef to understand state management, DOM access, and performance optimization in a practical way. #ReactJS #WebDevelopment #Frontend #LearningInPublic #JavaScript

frameworks and libraries is all about syntax, the real deal is knowing what powers them... useEffect and useState are dangerous syntax to someone who doesn't understand how window loaded and DomContent event listeners work in pure javaScript... Axios is great but if you dont know how the fetch API works, the you would struggle to undertstand how the browser handles http errors... Knowing the fundamentals isn't about going back to the stone age, its what you need to build with confidence. #reactjs #frontend #javaScript

🚨 Stop using useEffect for everything in React. If you're still using useEffect to: • Derive state from props • Transform data for rendering • Handle simple computations You're probably writing more bugs than you think. 💡 React tip: 1️⃣ Derived data belongs in useMemo, not useEffect 2️⃣ Event-driven logic belongs in handlers 3️⃣ Effects are for synchronization with external systems The less useEffect you write, the more predictable your component becomes. Clean React code is about eliminating unnecessary effects. What’s one place you removed useEffect and simplified your code? #ReactJS #FrontendDevelopment #JavaScript #SoftwareEngineering #CleanCode

🚀 React Hands-on Series #4 ⏳ Problem Statement: Debounced Search Input Ever noticed how search bars don’t fire on every keystroke? That’s called debouncing — and today you’re building it. 🎯 Your Task: Create a search input with the following behavior: ✅ Input field ✅ User types normally ✅ Show the typed value only after 1000ms delay #React #FrontendDevelopment #JavaScript #PerformanceOptimization #BuildInPublic #ReactJS #CodingChallenge

Why useEffect feels unpredictable (but isn’t) Most frustration with useEffect comes from three JavaScript behaviors: 1️⃣ Objects are compared by reference New object → new reference → effect runs again 2️⃣ Functions close over values If you don’t understand closures, dependency arrays feel confusing 3️⃣ State updates are scheduled They don’t run immediately, they’re batched None of this is React magic. It’s "JavaScript". When JS fundamentals are clear, useEffect becomes boring. And boring is good. #reactjs #javascript #frontend #softwareengineering #careeradvice

useEffect is one of the most misunderstood hooks in React. Most bugs I’ve seen weren’t because React is complex — they were because the mental model was wrong. Here’s a practical breakdown with real examples. Day 2/100 — sharing practical frontend engineering lessons from real-world projects. What’s the most confusing useEffect bug you’ve faced? #ReactJS #FrontendEngineering #JavaScript #WebPerformance #SoftwareArchitecture

🚀 Why React.js Hooks are a game-changer: • ✅ Simplify your code and reduce boilerplate • ✅ Manage state easily with useState • ✅ Handle side effects smoothly with useEffect • ✅ Share logic across components with custom hooks • ✅ Improve component composition and reusability • ✅ Make functional components more powerful 💡 Embrace hooks for cleaner, modern React development! #ReactJS #Hooks #WebDevelopment #FrontendDevelopment #JavaScript #CodingTips #TechLearning #DeveloperLife #CleanCode #FunctionalProgramming

🔥 React 19 just made useEffect optional for data fetching. For years we wrote: useEffect useState loading flags error state Now? const user = use(getUser()); React waits. Suspends. Renders when ready. No effect boilerplate. This isn’t a new hook. It’s a new mental model. Async is now part of render. Are you still fetching after render? #React19 #ReactJS #Frontend #JavaScript #WebDev