React State Management: useState vs useReducer

React hooks are super powerful, but beginners sometimes get stuck knowing which hook does what. So I made a one-page React Hooks Cheat Sheet || simple visuals + plain-english explanations that help you pick the right one fast. Save it 📌, share it 🤝, and use it next time you’re building React components! #ReactJS #ReactHooks #WebDev #JavaScript #Frontend #CodeTips

React introduces Actions to handle async form logic with less code. const [state, action, isPending] = useActionState( async () => loginUser(), null ); <form action={action}> <button disabled={isPending}>Login</button> </form> - Built-in loading state - Cleaner async handling - Less boilerplate A small feature, but a big improvement for form handling. #React #Frontend #JavaScript #WebDev #ReactJS

Unlock the power of React's map() function 🚀. Rendering arrays of data just got easier. Learn how to transform your data into dynamic, interactive elements. In this tutorial, we'll dive into a simple yet effective example of using map() to render array data. Whether you're a seasoned developer or just starting out, this tutorial is perfect for you. Read more: https://lnkd.in/gyAGNDYB #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #CodingTips

⚛️ React Hooks.. Hooks make React functional components powerful, reusable, and easy to manage. Here’s a quick list of the most important ones: Basic Hooks: useState – manage state useEffect – handle side effects useContext – access global state Additional Hooks: useReducer – complex state logic useCallback – memoize functions useMemo – memoize values useRef – access DOM & persist values useImperativeHandle – expose methods from child useLayoutEffect – run effects before browser paints useDebugValue – debug custom hooks Combine these hooks to write clean, reusable, and high-performance React code. #ReactJS #WebDevelopment #FrontendDeveloper #CodingTips #Hooks #JavaScript Mentor: Miss Sheikh Hafsa Nadeem

Today I learned about useCallback in React and how it helps with performance optimization 🚀 useCallback is useful when we want to memoize functions so they are not recreated on every render. This helps avoid unnecessary re-renders, especially when passing functions as props to child components. Small optimizations like this can make a big difference in large applications. #ReactJS #JavaScript #WebDevelopment #dailylearning #masaiverse Masai #PerformanceOptimization

Just built a real-time search filter in React 🔍⚛️ Fetching data from an API and filtering the list dynamically as the user types — simple, clean, and effective! Small features like this make a big difference in user experience. #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningByBuilding

JavaScript is single-threaded. Yet it handles async code like magic. Here’s what actually happens : 1️⃣ Call stack runs synchronous code 2️⃣ Promises go to the microtask queue 3️⃣ setTimeout goes to the macrotask queue 4️⃣ Event loop picks microtasks first 5️⃣ Then macrotasks run That’s why Promises run before setTimeout. Once you see the order, async JavaScript stops feeling random. 🔥 #JavaScript #FrontendDevelopment  #ReactJS #WebDev  #BuildInPublic #DeveloperJourney

Quick React fact: The React Profiler is a built-in DevTools feature that lets you record a render and see exactly which components rendered, how long they took, and why they updated through props, state, or context. It turns performance debugging from guesswork into evidence, so you can stop optimizing blindly and focus on what actually needs attention. #React #FrontendDevelopment #WebPerformance #JavaScript #SoftwareEngineering

React red flag 🚨 (especially for beginners 👀) Both snippets increase state. Only one is reliable. ❌ Using stale state values ✅ Functional updates using previous state Works most of the time ✅ Breaks in edge cases ❌ React state is async. Respect it 🧠 Learn this early 🔥 #ReactJS #JavaScript #Frontend #CleanCode #WebDevelopment #ReactHooks

React red flag 🚨 (especially for beginners 👀) Both snippets increase state. Only one is reliable. ❌ Using stale state values ✅ Functional updates using previous state Works most of the time ✅ Breaks in edge cases ❌ React state is async. Respect it 🧠 Learn this early 🔥 #ReactJS #JavaScript #Frontend #CleanCode #WebDevelopment #ReactHooks