⚡ One Small React Native Mistake That Kills Performance Most developers focus on big optimizations… But ignore this 👇 👉 Re-creating functions and objects on every render. Example: ❌ <TouchableOpacity onPress={() => handlePress(item)} /> This creates a new function every time the component re-renders. ✅ Better: const onPressHandler = useCallback(() => { handlePress(item); }, [item]); <TouchableOpacity onPress={onPressHandler} /> Why it matters? • Prevents unnecessary child re-renders • Improves list performance • Makes large screens smoother 💡 Performance isn’t about writing more code. It’s about writing smarter code. #ReactNative #Performance #MobileDevelopment #CleanCode #JavaScript

Experimentation is the key to validate what you’ve already learned and pick the right tool for the job. Vanilla JavaScript can be lightning fast, while Vue and React make complex UIs easier to manage. Not sure which works best? Test, measure, and choose — don’t just follow trends blindly. Read more: https://lnkd.in/dtt9amHU #javascript #vuejs #reactjs #webdevelopment #softwareengineering

😅 When a JavaScript developer discovers React for the first time… At first: “Wait… HTML inside JavaScript???” 🤯 Then: “What is JSX?” “Why is everything a component?” “What is this useState thing?” After a few days: “Ohhhh… this is actually powerful.” With React, you stop thinking in pages… and start thinking in components. Instead of rewriting the whole DOM, you update only what changes. That’s when it clicks 💡 From: • Manipulating elements manually To: • Building reusable UI blocks • Managing state • Creating scalable frontend apps The confusion is normal. The growth is worth it. 💬 What confused you most when you first learned React? 📌 Save this if you're on your frontend journey #JavaScript #ReactJS #FrontendDevelopment #WebDevelopment #CodingJourney

📑Choosing between React.js and Next.js? This blog breaks down the key differences to help you pick the right framework for your next project. Dive in: https://lnkd.in/gD8g5-VP 📝Jiten Jani #WebDevelopment #FrontendDevelopment #JavaScript #TechInsights

Most React Native performance advice focuses on: useMemo FlatList tweaks Component splitting But real performance issues often come from thread blocking. React Native runs on multiple threads. Your JS logic runs separately from UI rendering. They coordinate constantly. If your JS thread is busy parsing large JSON or running heavy synchronous logic, your UI thread waits. And users feel that instantly. Understanding threads changed how I approach performance. Sharing a breakdown 👇 #ReactNative #MobilePerformance #JavaScript #AppArchitecture #SoftwareEngineering

JavaScript is the backbone of the modern web. HTML gives structure. CSS adds design. JavaScript makes everything interactive. From frontend frameworks like React to backend with Node.js JavaScript powers full-stack development with a single language. Its real strength? ⚡ Asynchronous programming (Promises, async/await, event loop) which makes modern apps fast, scalable, easy to start and challenging to master. 💬 What JavaScript concept took you the longest to understand? #JavaScript #WebDevelopment #FullStack #NodeJS #SoftwareEngineering

😍Complete Guide to JavaScript Promises, Async/await and Promise Methods😍 𝗙𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝘂𝘀𝗲𝗳𝘂𝗹 𝗰𝗼𝗻𝘁𝗲𝗻𝘁, 𝗱𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝗳𝗼𝗹𝗹𝗼𝘄 Muhammad Nouman 𝗺𝗲. #javascript #reactjs #nextjs #webdevelopment

𝗥𝗲𝗮𝗰𝘁 𝗝𝗦 𝗛𝗼𝗼𝗸𝘀 𝗡𝗼𝘁𝗲𝘀 — 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗚𝘂𝗶𝗱𝗲 𝘁𝗼 𝗔𝗹𝗹 𝗘𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗛𝗼𝗼𝗸𝘀 Master React Hooks with these clear and structured notes designed for beginners and experienced developers. This guide explains the most important React Hooks used in real-world applications, including: ✔ Introduction to React Hooks ✔ useState for state management ✔ useEffect for side effects & lifecycle handling ✔ useContext for global state sharing ✔ useRef for DOM access & persistent values ✔ useMemo for performance optimization ✔ useCallback for function memoization ✔ Custom Hooks creation ✔ Rules of Hooks ✔ Best practices & common mistakes Whether you're preparing for interviews or building scalable React applications, these notes will help you understand hooks clearly and practically. #ReactJS #ReactHooks #FrontendDevelopment #JavaScript #WebDevelopment #ReactDeveloper #LearnReact #CodingNotes

Understanding React Components React applications are built using components, which are reusable and independent pieces of UI. Instead of writing one large file, we break the UI into smaller parts Types of Components  1)Functional Components 2)Class Components In modern React, we mainly use functional components, which are simple JavaScript functions that return JSX. Core Rules of React Components Component Name Must Start with Uppercase Must Return a Single Parent Element Do Not Modify Props Understanding components made React feel more structured and practical. Building step by step and strengthening fundamentals 🚀 #ReactJS #FrontendDevelopment #WebDevelopment #LearningJourney #JavaScript

Day 4: Functional vs Class Components In React, there are two main types of components: 1️⃣ Functional Components 2️⃣ Class Components Let’s understand the difference. 📌 Functional Components A Functional Component is simply a JavaScript function that returns JSX. Example: function Welcome() { return <h1>Hello React</h1>; } With the introduction of React Hooks, functional components can now handle state, lifecycle methods, and side effects. That’s why modern React applications mostly use Functional Components. 📌 Class Components A Class Component is a JavaScript class that extends React.Component. Example: import React, { Component } from "react"; class Welcome extends Component { render() { return <h1>Hello React</h1>; } } Before React Hooks, class components were used to manage state and lifecycle methods. 📌 Key Differences • Functional components use functions • Class components use ES6 classes • Functional components use Hooks (useState, useEffect) • Class components use lifecycle methods 📌 Which one should you use today? 👉 Functional Components They are: ✅ Simpler ✅ Easier to read ✅ Less boilerplate code ✅ Officially recommended in modern React #ReactJS #FrontendDevelopment #JavaScript #WebDevelopment #CodingJourney #LearnInPublic