Building Todo App with React Fundamentals

🚀 Day 2/30 — Counter App (React Fundamentals Continued) Continuing my 30 Days × 30 React Projects series, today’s build is a simple yet essential Counter application designed to reinforce foundational React concepts. This project focuses on: ➡️ Managing component state ➡️ Handling user events (clicks) ➡️ Updating UI reactively ➡️ Clean component structure ➡️ Controlled re-renders The emphasis remains on clarity and correctness rather than complexity — solidifying how React handles state and interactivity before moving into more advanced hooks and patterns. 🔗 GitHub Repository: https://lnkd.in/dcKZTtsR Objectives of this series: ➡️ Strengthen core React fundamentals ➡️ Build discipline through daily hands-on practice ➡️ Maintain transparent GitHub and LinkedIn activity Consistency over complexity — every day, a practical step forward. ✅ More projects coming daily. ✅ Progress visible here and on my GitHub. #ReactJS #FrontendDevelopment #WebDevelopment #LearningInPublic #JavaScript #BeginnerProjects #30DaysOfCode #ReactBasics

Today was a great, i deepened my understanding of Client Side vs Server Side, and also explored modern data fetching patterns in React. Here are some key things I learned today: * How and when to use useEffect for data fetching * Introduction to modern React async patterns like use() and Suspense *How form handling works in React using onSubmit and FormData *The difference between normal React forms, Router forms, and Server Actions One thing I’m realizing is that learning React is not just about components — it’s about understanding how data flows, where code runs, and how users interact with apps. Step by step, getting better every day 💻✨ #React #WebDevelopment #FrontendDeveloper #LearningInPublic #JavaScript #SoftwareDevelopment #TechJourney #ReactJS #CodingLife #BuildInPublic

⚛️ React.js Performance Optimization Cheat Sheet In this guide, we'll go over some techniques you can use to improve the performance of your React apps. ✅ React.memo ✅ useMemo/useCallback ✅ Code splitting ✅ Virtualization ✅ Handler/object allocation ✅ Keys for lists ✅ Minimal state ✅ Profiling & monitoring Save & share with your team! Download Our Free Full-Stack Developer Starter Kit ➡️ https://lnkd.in/gvzdeSJn --- If you found this guide helpful, follow TheDevSpace | Dev Roadmap, w3schools.com, and JavaScript Mastery for more tips, tutorials, and cheat sheets on web development. Let's stay connected! 🚀 #React #Performance #JavaScript #WebDevelopment #CheatSheet #Frontend #Coding

The Hard Truth About State in React (And Why Most Bugs Come From It) One of the things that took me a while to really understand in React was state. At first, I saw it as just a variable that changes… nothing more. But when I started working on real projects, I noticed that most of the issues I ran into weren’t coming from the UI itself — they were coming from putting state in the wrong place, or having multiple components depend on the same data in an unclear way. So I started asking myself a few questions while building: - Should this state really live here? - Who is responsible for this data? - Am I duplicating the same data in more than one place? - If the app grows… will this still work? I realized that organizing state properly saves a lot of time later on: Debugging becomes easier Re-renders are reduced And the code is much easier for someone else to understand It’s not about using more libraries… It’s about understanding how data flows through your application. Lately, I’ve been trying to improve how I structure state using Context and Reducer patterns to keep things scalable and easier to maintain. #reactjs #frontend #javascript #statemanagement

🚀 30 Days — 30 Coding Mistakes Beginners Make Day 12/30 My API failed… and the whole app crashed 😐 Code worked perfectly when internet was fine. But I forgot one important thing: error handling. Async calls can fail anytime: • network issue • server down • invalid response Without handling → app breaks Fix 👇 Use `try...catch` with async/await. A good developer writes code for success. A real developer writes code for failure too. Day 13 tomorrow 👀 #30DaysOfCode #javascript #reactjs #frontend #webdevelopment #codeinuse

⚛️ Mastering ReactJS: Principles Every Pro Developer Must Know 🚀 React isn’t just about writing components — it’s about understanding the philosophy behind scalable frontend architecture. From 🧠 Declarative UI to ⚡ Virtual DOM, from 🔄 One-Way Data Flow to 🎣 Hooks & Performance Optimization — mastering these principles separates beginners from pros. If you're serious about building scalable, maintainable, and high-performance React applications, these core concepts are non-negotiable. 💡 Key Takeaways: ✅ Think declaratively ✅ Keep components reusable & focused ✅ Respect immutability ✅ Optimize before performance becomes a problem ✅ Separate logic from UI Frontend development is evolving fast — but fundamentals always win. 🔥 What React principle changed your development mindset the most? 👇 Medium - https://lnkd.in/gmXjU-Tv Google Blogs - https://lnkd.in/gvjNhExP Personal Site - https://lnkd.in/g72T29S3 Medium - https://lnkd.in/gmXjU-Tv #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #SoftwareEngineering #CodingLife #Developers #TechLeadership #PerformanceOptimization #FullStackDeveloper

After 3 years of working with React and Next.js, one important lesson I’ve learned about state management is: Redux is powerful — but it should be used wisely. Why use Redux? Redux is a great choice when your application has: Complex and large-scale state Data that needs to be shared across multiple components or pages Multiple API calls with loading and error handling A need for predictable state flow with a single source of truth Easier debugging using Redux DevTools In larger projects like dashboards or applications with user sessions, global data, and frequent updates, Redux Toolkit makes state management much cleaner and more scalable. Cons of Redux From practical experience, Redux also comes with some challenges: Extra setup and initial configuration Can feel like overkill for small or medium projects Adds complexity if the state is simple Slight learning curve for beginners More code compared to local state or Context API My takeaway Use Redux when your application actually needs global and complex state. For smaller apps, tools like useState, useReducer, or Context API might be simpler and more efficient. Good development is not about using the most powerful tool — it’s about choosing the right tool for the problem. What do you prefer for state management in your projects — Redux, Context API, or something else? #React #Redux #ReduxToolkit #FrontendDeveloper #NextJS #JavaScript #WebDevelopment #SoftwareEngineering

State management isn’t a library problem, it’s a modeling problem. After working on multiple React codebases, I’ve realized most instability comes from poor state boundaries, unnecessary global state, and badly handled async flows. In this carousel, I break down what actually made React apps predictable and scalable for me. What’s the most painful state bug you’ve debugged? #ReactJS #StateManagement #FrontendDevelopment #JavaScript #SoftwareEngineering #FrontendArchitecture #WebDevelopment

🚀 Why I Prefer Redux Toolkit (RTK) in Modern React Projects As a Frontend Developer working with React and Next.js, I’ve used different state management approaches — Context API, plain Redux, and eventually Redux Toolkit. And honestly… RTK changed the game for me. 🔥 What Makes Redux Toolkit Powerful? ✅ Less Boilerplate If you’ve written traditional Redux, you know the pain — actions, action types, reducers, switch cases. With createSlice, everything lives in one clean structure. ✅ Built-in Best Practices RTK follows recommended patterns by default. No more manually configuring store middleware or worrying about immutability — thanks to Immer under the hood. ✅ Async Handling Made Simple createAsyncThunk makes API handling structured and predictable. Loading, success, and error states become easy to manage. ✅ Great DevTools Support Debugging state changes becomes transparent and efficient. 💡 Real Project Use Case In one of my projects, I implemented a Favorites feature: • Add/remove items from favorites • Prevent multiple clicks using loading state • Maintain global consistency across pages Redux Toolkit helped me: • Keep reducers clean • Manage async states clearly • Avoid unnecessary re-renders 🆚 RTK vs Context API? Context API works well for small-scale state. But when: • State becomes complex • Multiple components depend on it • Async logic grows RTK provides better scalability and maintainability. 🎯 My Takeaway If you're building production-level React or Next.js applications, Redux Toolkit is not overkill — it's a structured way to scale. Clean code. Predictable state. Better architecture. What’s your preferred state management approach in 2026 — RTK, Zustand, or something else? #ReactJS #ReduxToolkit #FrontendDevelopment #NextJS #JavaScript #WebDevelopment

🚀 Leveling up React-Redux with TypeScript! 🚀 Sharing a quick tip for React + Redux Toolkit developers using TypeScript! Instead of using the plain useDispatch and useSelector hooks directly, it’s a best practice to create typed versions like useAppDispatch and useAppSelector. Why does this matter? ✅ Stronger type safety — Dispatch knows exactly which actions are allowed, and selectors provide accurate state types. ✅ Cleaner, more maintainable code — Reduces repetitive type annotations throughout your components. ✅ Improved developer experience — Better IntelliSense and autocomplete support in IDEs. Here’s a simple example of how to set it up: This pattern ensures that your Redux state and dispatch calls are fully typed across your app, making it easier to scale and maintain. If you’re working with React, Redux Toolkit, and TypeScript, consider adopting typed hooks for safer and cleaner code! 💡 #TypeScript #ReactJS #ReduxToolkit #JavaScript #WebDevelopment #CleanCode #FrontendDevelopment #SoftwareEngineering #CodeQuality #DeveloperExperience #ProgrammingTips #ReactHooks #WebApp #TechTips #CodingBestPractices