Prevent Memory Leaks with Custom React Hooks

Confused about when to use an Array vs. an Object in JavaScript? Here is the breakdown: 🔹 Arrays: Ordered lists accessed by index. 🔹 Objects: Key-value pairs accessed by descriptive names. Using the right one doesn't just make your code more readable—it makes it more efficient. #JS #Programming 

A React component is a function which returns JSX. When you use that component inside another component, the React creates an element. <Ali /> refers to element of Ali component. So, when React sees <Ali /> it gets it's JSX and internally call React.createElement with details of Ali component such as props, key and children. React.createElement creates an object which is basically description of what needs to be rendered. Then React adds that to the virtual DOM and gets added to real DOM. Tried my best to simplify this concept. Thinking of writing a blog on it. You can subscribe to my newsletter to read in-depth. link in comment. #react #javascript #frontend #programming

Stop loading everything at once. Load only when needed. This is where IntersectionObserver shines. Below is a real-world function to lazy-load content (images, sections, API calls) only when they appear on screen. #JavaScript #WebDevelopment #FrontendDevelopment #FullStackDeveloper #PerformanceOptimization #LazyLoading #ModernJavaScript #IntersectionObserver #WebPerformance #CleanCode #DeveloperTips #CodingTips #SoftwareEngineering #Laravel #ReactJS #NextJS #UIUX #WebDesign #Programming #CodeNewbie #Tech2025 #BuildInPublic #DevCommunity #LinkedInDevelopers

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

JavaScript Secret: No Braces Needed? 🤯 #javascripttips #webdev #frontend #programming #javascript In JavaScript, you don't always need {} for your if and else blocks. If you're only executing a single line of code, you can skip the braces for a sleeker, "pro" look. ⚠️ The Catch: If you try to add a second line under that if without using braces, JavaScript will execute that second line regardless of whether the condition is true or false! Which style do you prefer? A) Always use Braces 🧱 B) Keep it Clean (No Braces) ✨ #javascript #codingtips #webdevelopment #cleancode #jslogic #programming #shorts #softwareengineer

What React Actually Is..? React is a JavaScript library for building user interfaces that solves one big problem. Once you understand this flow: JSX → Virtual DOM → Real DOM → Browser UI, React suddenly makes a lot of sense. I’ve explained everything in a beginner-friendly way here (Medium Blog): https://lnkd.in/g2B5cj64 #React #JavaScript #WebDevelopment #Frontend #ReactJS #Programming #LearningToCode #MERN

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

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

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