React State Mistakes Cause Big Bugs

5 React Hooks that separate juniors from seniors ⚛️ Stop memorising. Start understanding. Swipe through and level up your React game 🚀 #React #WebDevelopment #Frontend #JavaScript #CodingTips

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

🚀 React.js Cheat Sheet – Save This 🔖 follow : Lokesh hans Lokesh Hans A quick reference covering the most-used React concepts: components, props, state, hooks, rendering & structure. Perfect for beginners and a fast refresher for developers. 👉 #ReactJS #FrontendDeveloper #JavaScript #WebDevelopment #CodingTips

🚀 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

Understanding useCallback can save you from unnecessary re-renders and performance headaches in React ⚛️ If you’re passing functions as props, useCallback helps keep references stable and your components efficient. Small hook. Big impact. 🚀 #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactHooks

💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗥𝗲𝗮𝗰𝘁 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? In React, 𝘀𝘁𝗮𝘁𝗲 𝘂𝗽𝗱𝗮𝘁𝗲𝘀 𝗶𝗻𝘀𝗶𝗱𝗲 𝗲𝘃𝗲𝗻𝘁 𝗵𝗮𝗻𝗱𝗹𝗲𝗿𝘀 𝗮𝗿𝗲 𝗯𝗮𝘁𝗰𝗵𝗲𝗱, meaning multiple "setState" calls may result in a 𝘀𝗶𝗻𝗴𝗹𝗲 𝗿𝗲-𝗿𝗲𝗻𝗱𝗲𝗿. Why it matters: - Improves performance automatically - Explains why consecutive state updates don’t always update immediately - Encourages writing state updates that depend on previous state using the functional form Understanding batching helps you write more predictable React code. #React #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #SoftwareEngineering #CodingTips #PerformanceOptimization #FullstackDeveloper

Here is something new for react developers... I kept seeing the same pattern: useState works, useEffect works, but the mental model is missing. So I built #HooksHub a simple place for developers who are learning React and want to understand hooks properly, not just memorize syntax. It’s still evolving, but the goal is clear: explain hooks the way developers actually think. Read here: https://lnkd.in/g683-9Wu Which hook gave you the most trouble at first? #ReactJS #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #Developers #BuildInPublic #LearnReact

useEffect is one of the most misunderstood hooks in React. It’s not for: • calculating derived values • syncing state with state • fixing re-render issues It is for: • data fetching • subscriptions • timers • syncing with browser or external systems If something can be calculated from existing state or props, it doesn’t belong in useEffect. The less effects you write, the more predictable your React code becomes. #react #frontend #javascript #webdev #cleanCode

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

React gives us powerful optimization tools… But many devs use them randomly. Here’s the simple rule: 🟠 useEffect → for side effects (API calls, subscriptions, DOM work) 🔵 useMemo → to memoize computed values 🟢 useCallback → to memoize functions If you use useEffect for calculations… you’re misusing it. If you pass new functions every render… you cause re-renders. The goal is NOT to use all 3 hooks. The goal is to use the right hook for the right job. Which one confused you the most when learning React? 👇 #ReactJS #FrontendDeveloper #WebDevelopment #JavaScript #CodingTips #ReactHooks #MERNStack #SoftwareDevelopment