Lazy Load with IntersectionObserver

I spent hours reinventing the wheel. 🤦♂️ I was building a form with complex validation and conditional logic. I found myself repeating the same patterns in different components. It was messy and hard to maintain. I discovered the power of custom React hooks! 🎣 They allowed me to extract and reuse stateful logic. I created a hook called `useForm` that encapsulated all the form logic. Now, my components are cleaner and more maintainable. Here's how I did it: 💡 Key Takeaway: Custom hooks help you reuse stateful logic and keep your components clean and focused. ⚛️ Have you used custom hooks before? What was your experience? 👇 #JavaScript #Frontend #Programming #WebDev #Coding #React

React.js important topics React is a UI library Uses JSX Component-based Props for data passing State for data handling Hooks useState useEffect Event handling Conditional rendering Lists & keys Forms handling API calls React Router Context API Performance optimization Styling (CSS / Bootstrap) Build & deploy #ReactJS #React #FrontendDevelopment #WebDevelopment #JavaScript #UIDevelopment #FrontendDeveloper #LearningReact #Coding #DeveloperLife #Programming

Today I learned about callback functions and constructor functions in JavaScript. Understanding how functions can be passed as arguments (like in DOM event handling) and how objects are created using constructor functions really improved my clarity on writing reusable code. Step by step, getting better 💡 #JavaScript #WebDevelopment #LearningInPublic #Frontend #DOM #Programming #JSBasics #DeveloperJourney

Debounce Function in JavaScript (Improve Performance): This is particularly useful for optimizing performance in applications where events fire rapidly and continuously, such as user input or browser events. Why it matters: Prevents unnecessary function calls during events like search input, resize, or scroll. #WebDevelopment #JavaScript #FrontendDevelopment #FullStackDeveloper #CleanCode #CodeSnippet #DeveloperLife #Programming #CodingTips #SoftwareEngineering #WebDev #TechCommunity #DevCommunity #PerformanceOptimization #JavaScriptTips #CodeDaily #LearnToCode #Developers #ProgrammingLife #TechSkills #CodingLife #DevTips #WebDesignAndDevelopment #DailyCode #CodeSmart

Unlock the power of RxJS with Higher-Order Observables! Higher-Order Observables can be tricky to understand, but they're a game-changer for managing complex async data streams. Learn how to flatten and manage them effectively with these techniques. Always remember to handle errors and completions in your inner observables to avoid memory leaks and unexpected behavior. Try implementing Higher-Order Observables in your next project and share your experience! #RxJS #HigherOrderObservables #JavaScript #FrontEndDevelopment #WebDevelopment #AsyncData #Observables #Programming #Coding #TechTips #WebTech #FrontEnd

Ever wondered how React Suspense works under the hood? React Suspense is a powerful feature for handling asynchronous operations in components. It allows you to show fallback content while waiting for some code or data to load. Let's dive into its internals! Suspense works with React.lazy for code-splitting and can also be used with data fetching libraries that support it. Try implementing Suspense in your next project and share your experience! #React #Suspense #FrontendDevelopment #JavaScript #WebDevelopment #Coding #Programming #ReactJS #WebDesign #TechTips #CodeNewbie #Frontend #DevCommunity

Stop using for loops! Learn JavaScript's map(), filter() & reduce() in under 60 seconds with simple examples. Level up your array skills FAST! 🚀 #JavaScript #CodingTips" #JavaScript #MapFilterReduce #ArrayMethods #JavaScriptTutorial #Coding #Programming #WebDevelopment #LearnJavaScript #JS #Code #Developer #WebDev #Frontend #CodingTips

useEffect cleanup functions - yeh wala topic hai jo sabko confuse karta hai initially. But once you understand it, life becomes so much easier! Always clean up your side effects. If you're setting up a subscription, interval, or event listener, you MUST clean it up. Otherwise, you'll have memory leaks and weird bugs. The cleanup function runs: - Before the effect runs again (if dependencies change) - When the component unmounts Common mistakes: - Forgetting to return cleanup function - Not including all dependencies - Cleaning up things that don't need cleanup Pro tip: If your effect has no dependencies, the cleanup runs only on unmount. If it has dependencies, cleanup runs before re-running the effect. Clean code = Happy debugging! 🎯 #reactjs #webdevelopment #javascript #frontend #coding #reacthooks #useeffect #programming #indiancoders #tech

🤯JavaScript Defaults: The mistake that costs hours of debugging. 🛑 Defaults in destructuring look safe, but they have a massive blind spot: null. If an API sends null, your default value is ignored. This leads to broken math, empty UI states, and frustrated users. ✅ The Solution: Use ?? (Nullish Coalescing). It catches BOTH null and undefined without accidentally breaking valid values like 0. See the visual breakdown in the image below! 👇 Want a deeper dive? Watch the 60-second breakdown on YouTube: 👉 https://lnkd.in/ghHKa-SP #Programming #JavaScript #TechTips #BeginnerCoder #SeniorDeveloper

JavaScript, explained 🟨 👁️ View → User Interface 🧠 Logic → Brain of the application 💪 Muscles → Power & multi-platform execution JavaScript connects what users see with how applications think and act. #JavaScript #WebDevelopment #Frontend #Backend #Programming