🚀 React 19 Just Changed Form Handling Forever In React 18, submitting a form usually looked like this: ❌ useState for loading ❌ manual onSubmit handlers ❌ extra boilerplate for async actions But React 19 introduces a cleaner way 👇 ✅ useActionState + Form Actions Now you can handle form submissions like: Built-in pending state Less code More declarative UI Better integration with Server Actions ✨ Instead of writing multiple lines for loading logic, React gives you: const [state, action] = useActionState(saveProfile) And your form becomes: <form action={action}> #ReactJS #React19 #JavaScript #FrontendDevelopment #WebDevelopment #Programming #SoftwareEngineering #ReactHooks #DevCommunity

As developers, we all know the struggle. Multiple projects multiple node_modules folders then GBs of wasted disk space 😅 That’s where npkill comes in. 🔍 It scans your system and finds old or unused node_modules folders. ⚡ Shows their size instantly. 🗑 Lets you delete them easily from the terminal. No more manually searching project by project! If you're working with Node.js, Express, NestJS, or Next.js projects this tool is a must-have in your workflow. 👉 Try it today and keep your system clean! #NodeJS #JavaScript #WebDevelopment #Developers #OpenSource #Productivity #FullStack #Programming #npkill

‎Basic Principles of Event Handling in React??? ‎Event handling in React is guided by a few basic principles that align with its component-based architecture. These principles include: ‎ ‎- Synthetic event system ‎- Naming conventions ‎- PassingPassing event handlers as props ‎- Inline function and component methods ‎ ‎React uses a synthetic event system that ensures events behave consistently across different browsers. This wraps the native event system in browsers, providing a unified API regardless of the browser in which React is run. ‎#EventHandling #Reactjs #JavaScript #nextjs #programming #webdevelopment

React props can be passed conditionally ‎Props that are passed to components can be thought of like arguments that are passed to a function. ‎ ‎If prop values are not passed a certain component, an error will not be thrown. Instead, within the component that prop will have a value of "undefined".. ‎ ‎If you would like to be alerted to when a value is not passed as a prop to a component, you can use a tool like prop-types or TypeScript using these tools. ‎ ‎With prop-types or TypeScript, we can tell React the props we are passing for a given component, what their values should be, and whether they are optional. ‎ ‎In plain React, be aware that passing props can be something you forget to do. Also you might not pass a certain prop to a component, if you so choose. ‎#Reactjs #JavaScript #nextjs #programming #webdevelopment

Follow Sakshi K. for more such content. ⚛️ ReactJS Cheat Sheet ⚛️ Quick and handy ReactJS cheat sheet covering setup, basics, JSX, props, and state. A great reference for beginners and a fast revision guide for developers building modern UI applications. 🚀 Learning React step by step to level up my frontend development skills. Consistency and practice are the real keys 🔑💻 #ReactJS #ReactCheatSheet #FrontendDevelopment #WebDevelopment #JavaScript #Coding #Programming #DeveloperCommunity #LearnReact #CodingJourney

React Practice – Day 18 Today I built a Simple Todos app and focused on handling dynamic lists and delete functionality in React. What I implemented: -->Displayed a list of todos from an initial list -->Added a Delete button for each todo -->On clicking Delete, the selected todo is removed from the list -->Worked with props and state to manage UI updates -->This helped me understand state updates, list rendering, and event handling better in React. Small features, but real-world fundamentals. #React #JavaScript #WebDevelopment #Frontend #MERN #CCBP #ccbp #NXTWAVE #nxtwave #CodingJourney #100DaysOfCode #Developer #LearningInPublic #BuildInPublic #ReactJS #Programming

Key prop in React lists - yeh ek chota sa thing hai but bahut important hai! I see developers using array index as key when they shouldn't. Index as key is fine ONLY if: - The list is static (never reordered, added, or removed) - Items don't have unique IDs - Performance isn't a concern But if your list can change, use a unique ID. React uses keys to identify which items changed, were added, or removed. Wrong keys = wrong updates = bugs! Also, don't use Math.random() as key. That's just wrong on so many levels. Each render will create new keys, causing unnecessary re-renders. Best practice: Always use stable, unique identifiers. Your future self will thank you! #reactjs #webdevelopment #javascript #frontend #coding #reactpatterns #programming #indiancoders #tech #softwaredevelopment

Lecture - 17: Continuing Object-Oriented Programming in JS by Hitesh Choudhary - Error handling - Exception handling - try and catch - Promises overview - then and catch in Promises Chai Aur Code #chaicode #JS #OOPs #cohort26

Stop your React apps from crashing! 🚀 Infinite useEffect loops are the #1 cause of performance leaks and API over-billing. I’ve put together a pro-level guide to help you master dependency arrays, fix reference traps with useMemo, and debug "Ghost Mutations" like a senior dev. Master the loop here: 👉 [https://lnkd.in/gnuSHhxj] #ReactJS #WebDev #JavaScript #CleanCode #Programming

Not every React re-render is a problem. When state or props change, function components re-run, but the DOM only updates where needed. Real issues appear when you have: - Heavy calculations inside render - Changing object/function references - Props that break memoization Use useMemo and useCallback wisely not to stop re-renders, but to keep references stable. #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactTips #PerformanceOptimization #WebDev #CodingTips #LearnReact #Programming Before optimizing, ask: «Is this re-render actually expensive, or am I optimizing too early?» React is built for frequent re-renders. Understanding them beats trying to prevent them.