Boost React Skills with JSX, Components, and Hooks

Controlled Components in React Today I learned about Controlled Components in React. A controlled component is a form element whose value is controlled by React state instead of the DOM. This means React manages the input values using state and updates them through event handlers. 📌 How It Works The input value is stored in state The input field uses that state as its value When the user types, an onChange event updates the state This way React fully controls the form data. Understanding controlled components helped me see how React manages form inputs efficiently. Continuing to build strong React fundamentals step by step 🚀 #ReactJS #FrontendDevelopment #WebDevelopment #LearningJourney #JavaScript

In React, a Hook is just a JavaScript object. Each Hook stores: the state value a queue of updates and a reference to the next Hook Internally it looks like this: { memoizedState: state, queue: updates, next: nextHook } React stores Hooks as a linked list attached to the component's Fiber node. Fiber → Hook → Hook → Hook → null This is why Hooks must always be called in the same order. React reads them one by one during every render. When you call setState, React adds the update to the Hook's queue, and processes it during the next render. Hooks are not magic. They are simple objects connected together. Understanding this helps explain many React behaviors. #reactjs #javascript #webdevelopment

💡 JavaScript Tip💡 Many times we want to try some code of any library for quick testing but don't want to do initial setup to run that code. Maybe you want to use some jquery functions to check for some elements on the page or try some functions of any other library like lodash. In such cases, you can just google for CDN URL for that library and copy the contents of that library from that CDN URL and just paste into your browser console. Now, you can directly execute any function of that library in the browser console itself. 𝗙𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝘂𝘀𝗲𝗳𝘂𝗹 𝗰𝗼𝗻𝘁𝗲𝗻𝘁, 𝗱𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝗳𝗼𝗹𝗹𝗼𝘄 𝗺𝗲. #javascript #reactjs #nextjs #webdevelopment

💡3 Common Mistakes Beginners Make in React 1️⃣ Not understanding useEffect dependencies 2️⃣ Mutating state directly instead of using useState setter 3️⃣ Not breaking UI into reusable components Avoiding these can save a lot of debugging time 👆 I’m currently improving my React skills daily 🚀 #reactjs #javascript #webdevelopment #learninginpublic #frontenddeveloper

One Hook. Zero Re-renders. Infinite Control. ⚡ That’s the power of useRef in React. Instead of re-rendering like useState, useRef quietly stores values and gives direct DOM access when needed. 🎬 Control a video player 📝 Focus an input instantly ⏱ Store timer IDs 📊 Track previous values If you’re learning React, mastering useRef is a must! Save this post for later 📌 #ReactJS #ReactHooks #WebDev #FrontendLife #CodingTips #JavaScript #DeveloperCommunity #TechPost

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

Recently put together a short guide on Zod for schema validation in React. If you’ve ever struggled with messy validation logic or unexpected runtime errors, Zod makes things a lot simpler and more structured. In this presentation, I covered: • What Zod is and why it’s useful • Basic and advanced validation examples • Handling errors with clear messages • How it integrates with React Hook Form It’s a small but practical overview that can really improve how you handle forms in React. ✨ #ReactJS #JavaScript #TypeScript #Zod #FrontendDevelopment #WebDevelopment #SoftwareDevelopment

I used to think React loads everything at once… until I learned lazy loading. 🤯 Now I understand how apps become faster and more efficient. ⚡ 💠Load only what is needed 💠 Improve performance 💠 Reduce bundle size Here are my notes for revision. ✍️ #React #JavaScript #LearningInPublic #FrontendDeveloper

Day 74 / 365 👨💻 Summarized and reviewed what I learned in the last few React sessions. 📘 Basics of React and why it’s used 🔗 Role of ReactDOM in rendering 🧩 createElement concept and repetitive DOM problems 🚀 React 18 rendering with createRoot #365DaysOfCode #React #JavaScript #Frontend