React List Rendering with Unique Keys

🚀 React Hooks: useEffect The `useEffect` hook is used to perform side effects in functional components, such as fetching data, setting up subscriptions, or directly manipulating the DOM. It takes a function as an argument, which is executed after every render by default. You can also provide a dependency array as a second argument to control when the effect is executed. If the dependency array is empty, the effect will only run once after the initial render. `useEffect` replaces lifecycle methods like `componentDidMount`, `componentDidUpdate`, and `componentWillUnmount` in functional components. #ReactJS #Frontend #WebDev #React #professional #career #development

🚀 Creating a Context with React.createContext To use the Context API, you first need to create a context object using `React.createContext()`. This function returns a Provider and a Consumer. The Provider component allows consuming components to subscribe to context changes. The Consumer component is used to read the context value. It's common to initialize the context with a default value that can be overridden by the Provider higher up in the component tree. #ReactJS #Frontend #WebDev #React #professional #career #development

Most React slowdowns aren't React's fault — they're patterns we repeat without thinking. Swipe through 6 fixes you can apply today. Which one are you guilty of ignoring? 👇 #ReactJS #WebPerformance #Frontend

React has been “dying” for years. And yet… it’s still everywhere. I used to think it was about performance. Or developer experience. But the more I worked on real products, the more I realized something else: React isn’t winning because it’s the best tool. It’s winning because of everything around it. The ecosystem. The tooling. The predictability in real-world projects. I wrote a longer breakdown about this — especially why alternatives still struggle at scale. Curious what others think about this. #reactjs #frontend #softwareengineering #webdevelopment #javascript

🚀 Using Fragments with Keys (React Development) When rendering multiple elements within a list item, you might use React Fragments (`<> `) to avoid adding unnecessary DOM nodes. However, if you need to assign a key to the list item, you should use the explicit `` syntax. This allows you to provide a key for the entire fragment, enabling React to efficiently track changes. #ReactJS #Frontend #WebDev #React #professional #career #development

Can a framework have its own framework? Because must people call React a framework and Next.js a React framework and my brain is tired 😭 Let me settle this once and for all. React is a library. Not a framework. It gives you tools to build UI. That's it. You decide everything else. Next.js is the framework. Built on top of React. It gives you structure. Routing. Server side rendering. File based pages. Everything React doesn't give you out of the box. Think of it this way React is the engine. Next.js is the car. You can have an engine without a car. But the car needs the engine to move. Now the real question Which one are you more comfortable with and why? 👇🏾 Personally I am more comfortable with Next.js because i like structure. React alone gives me too much freedom and i end up scattered 🥲🥲 Drop your answer below. Let's argue. 👇🏾 #React #NextJS #Frontend #WebDevelopment #WomenInTech #AfricanInTech

Built multiple projects with React, and one thing I’ve realized is performance isn’t just about code — it’s about the right tools. React gives flexibility with components, hooks, and rendering control. But when it comes to production-level optimization, Next.js adds that extra edge with SSR, SSG, routing, and built-in optimizations. Understanding where to use what makes the real difference 🚀 #React #NextJS #WebDevelopment #Frontend #Performance #JavaScript

🚀 Preventing Default Form Submission (React Development) This code demonstrates how to prevent the default form submission behavior in React. The `handleSubmit` function is called when the form is submitted. `event.preventDefault()` is called to prevent the browser from reloading the page. This allows the React component to handle the form submission logic. This is crucial for single-page applications where you want to handle form submissions without a full page refresh. #ReactJS #Frontend #WebDev #React #professional #career #development

🔥 React Tip: Don’t load everything at once ❌ Load only what’s needed ✅ 👉 Use Lazy Loading Better performance = Better user experience 🚀 #ReactJS #CodingTips #Frontend

Every React developer's emotional journey in a single day: 9:00 AM — "I'll just build a quick component." 10:30 AM — Why is this re-rendering 47 times? 12:00 PM — Okay I'll just use useEffect. 1:00 PM — useEffect lied to me. 2:30 PM — *Googles 'React useEffect cleanup function' for the 100th time* 4:00 PM — It works and I have no idea why. 5:00 PM — Ships to production confidently. 😎 5:01 PM — Production is on fire. 🔥 And yet… we show up again tomorrow. #ReactJS #Frontend #WebDev #DevLife #JavaScript