From jQuery to React: A Paradigm Shift in JavaScript Development

🚀 JavaScript (Vanilla JS) vs React Vanilla JS requires direct DOM manipulation and manual updates giving full control but more code. React uses a component-based architecture with a Virtual DOM and automatic UI updates making it cleaner and more scalable for modern apps. Both are powerful. Choose based on your project needs. #JavaScript #React #WebDevelopment #Frontend

😅 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

🚀 Understanding JSX & React DOM in React.js As I continued learning React, I explored two fundamental concepts that power how React works: JSX and React DOM. 🔹 JSX (JavaScript XML) allows us to write UI code that looks like HTML inside JavaScript. It makes component structure more readable and expressive while still being transformed into pure JavaScript behind the scenes. Example: const element = <h1>Hello World</h1>; 🔹 React DOM is responsible for rendering React elements into the actual browser DOM. It acts as the bridge between React’s virtual representation of the UI and the real web page users see. Together: • JSX describes what the UI should look like • React DOM updates and renders it efficiently Understanding these concepts helped me better grasp how React manages UI updates in a structured and optimized way. Continuing to strengthen my frontend fundamentals step by step 🚀 #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #LearningJourney #StudentDeveloper #ReactDOM #JSX

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

🚀 Built a Todo List App using JavaScript & React! I recently created a Todo List project in two ways — first using pure JavaScript and then rebuilding it using React to understand the difference in handling data and UI. ✨ Features: • Add & Delete Tasks • Tasks saved in Local Storage (data stays after refresh) • Simple and clean UI 💡 What I learned: • DOM Manipulation using JavaScript • useState for state management in React • Handling user input and events • Using Local Storage with JSON.stringify() & JSON.parse() • Difference between Vanilla JS approach vs React approach This project really helped me understand how React makes UI updates easier and more structured compared to JavaScript. Small steps, but moving forward every day in my learning journey 💻✨ #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningJourney

Many developers jump directly into React hooks, libraries, and frameworks. But the real foundation is much simpler 👇 ✅ Strong JavaScript fundamentals React is just JavaScript at its core. If you truly understand: • Closures • Scope & Hoisting • Async/Await & Promises • Array methods (map, filter, reduce) • ES6 concepts (arrow functions, destructuring, spread) Then React becomes easier, cleaner, and more powerful. Libraries can change. Frameworks can evolve. But strong JavaScript fundamentals stay forever. 💯 Before mastering React… master JavaScript. What’s your opinion? 👇 #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #CodingJourney

React Hooks: useState vs useRef — Know the Difference When working with React functional components, two commonly used hooks are useState and useRef. While they may seem similar at first, they serve different purposes. -- useState * Used to store and manage component state * When the state updates, React re-renders the component * Ideal for data that affects the UI Example: const [count, setCount] = useState(0); -- useRef * Used to store mutable values that persist across renders * Updating a ref does NOT trigger a re-render * Commonly used for accessing DOM elements or storing previous values Example: const inputRef = useRef(null); -- Simple Rule to Remember: * If the value affects the UI → useState * If the value should persist but not trigger re-render → useRef Mastering these hooks helps you write cleaner and more efficient React components. #ReactJS #WebDevelopment #FrontendDevelopment #JavaScript #ReactHooks #SoftwareDevelopment

🚀 Built a Todo List App using JavaScript & React! I recently created a Todo List project in two ways — first using pure JavaScript and then rebuilding it using React to understand the difference in handling data and UI. ✨ Features: • Add & Delete Tasks • Mark tasks as completed • Tasks saved in Local Storage (data stays after refresh) • Simple and clean UI 💡 What I learned: • DOM Manipulation using JavaScript • useState for state management in React • Handling user input and events • Using Local Storage with JSON.stringify() & JSON.parse() • Difference between Vanilla JS approach vs React approach This project really helped me understand how React makes UI updates easier and more structured compared to JavaScript. Small steps, but moving forward every day in my learning journey 💻✨ #ReactJS #JavaScript #FrontendDevelopment #WebDevelopment #LearningJourney

While starting to learn React, I decided to keep things simple. I built the same Todo List twice with the same UI design: First using pure JavaScript, Then rebuilding it with React. This helped me clearly see the difference between: • JavaScript DOM manipulation • React’s component-based thinking Project features: • Add new tasks • Delete tasks • Toggle task completion • Search tasks • Filter tasks (All / Completed / Not Completed) Small project, but a big learning step for me. Live Demo: JS version: https://lnkd.in/ebWQRNar React version: https://lnkd.in/eJt2Svj7 #React #JavaScript #FrontendDevelopment #WebDevelopment #LearningInPublic #TodoApp

Working on a web app and realized (again) why we need TypeScript. Dealing with strings and numbers in JavaScript can be a real pain sometimes. Small bugs, big lessons. 💻 #JavaScript #TypeScript #Learning