Arpit Dhiman’s Post

⚛️ A Small React Technique That Can Improve Performance – Debouncing While building a React search feature, I noticed something interesting. Every time a user typed a letter, the application was making an API request immediately. That means if someone typed “React”, the API was called *5 times*. This is where *debouncing* becomes very useful. 💡 Debouncing delays the function execution until the user *stops typing for a short time*. This helps to: ⚡ Reduce unnecessary API calls 🚀 Improve application performance 😊 Provide a smoother user experience Small optimizations like this make a *big difference in real-world applications*. Sometimes improving performance is not about writing more code — it’s about writing *smarter code*. #ReactJS #JavaScript #FrontendDeveloper #WebDevelopment #Performance

Unpopular Opinion: Junior Developers Should NOT Start With React This might sound controversial, but I see it often. Many beginners jump directly into frameworks like React or Next.js without understanding the problems those tools solve. Before React, you should understand: • How the DOM works • Event handling in JavaScript • State and data flow in vanilla JavaScript • Basic rendering logic Before using a framework, ask: Why was this framework created in the first place? React exists to solve problems like: Complex UI state management Efficient DOM updates (Virtual DOM & reconciliation) Component-based architecture Similarly, understanding concepts like Server-Side Rendering (SSR) makes frameworks like Next.js much easier to appreciate. The Same Applies to Styling Before using utility frameworks like Tailwind CSS, you should understand: Flexbox Grid Positioning The CSS box model Otherwise you end up copying classes without understanding layout behavior. The Real Point Frameworks are powerful. But they make far more sense when you understand the problems they were designed to solve. Strong fundamentals make learning any framework faster. Weak fundamentals make every framework confusing. Do you think beginners should start with fundamentals first, or jump straight into frameworks? #FrontendDeveloper #ReactJS #WebDevelopment #JavaScript #SoftwareEngineering #Developers #TechCareers

I've been working on React and React Native from a long time and during this time I explored many posts regarding react and react native architecture and optimization techniques and found them truly common everywhere — same folder structures, same content, just reworded differently. So by curiosity I tried to go deep down and decided to put my own learning, thesis and thoughts together. So I wrote the blog I wish existed when I was trying to learn this. It covers: → Why React Fiber was built and what problem it actually solved → How Reconciliation works under the hood → Concurrent Mode and useTransition explained simply → Suspense — beyond just lazy loading → Error Boundaries — the old way and the modern library approach Would love to hear your thoughts — dropping the link in comments 👇 #React #ReactJS #Frontend #JavaScript #WebDevelopment

Most React Developers Don’t Struggle With Syntax… They Struggle With Clarity While building projects, I kept running into the same issue Not big bugs… just small confusions again and again When to use useEffect Why unnecessary re-renders happen How state actually flows across components So I did something simple I created a React Cheatsheet for myself Not theory-heavy Just the things I actually use while building: ⚡ Core concepts → Components, JSX, Virtual DOM ⚡ Hooks → useState, useEffect, useContext ⚡ Routing, Forms, API integration ⚡ Performance basics & clean practices ⚡ Testing + small project ideas This isn’t “everything about React” It’s what actually helps when you're in the middle of building And honestly, that’s what matters most If you're working with React, this might help you too Comment “React” and I’ll share it 👇 #ReactJS #Frontend #WebDevelopment #JavaScript #Developers #LearningInPublic

Day 16 I used to chase new frameworks every week. React today. Next.js tomorrow. React native next month. But here’s what I’m learning: The real edge is mastering the basics. ✔️ Clean HTML structure ✔️ Proper CSS layout (Flexbox & Grid) ✔️ JavaScript fundamentals ✔️ Understanding how APIs actually work Most developers don’t lack tools. They lack depth. The goal isn’t to know everything. The goal is to be so solid at the fundamentals that you can build anything. Today I revised core JavaScript concepts and focused on writing cleaner, simpler logic. No hype. Just reps. #FrontendDevelopment #JavaScript #WebDevelopment #BuildInPublic #SoftwareEngineering

🚀 React.js in One Cheat Sheet = Faster Development Still searching Google for basic React syntax again and again? I created a React.js Cheat Sheet that brings the most important concepts together in one place. 📚 What it covers: • JSX fundamentals • React Hooks (useState, useEffect, etc.) 💡 Who this is for: ✔ Beginners learning React ✔ Developers preparing for interviews ✔ Engineers who want faster development and cleaner code 📌 Tip: The best developers don’t memorize everything they build smart references. 💾 Save this post so you can quickly revisit it whenever you're building with React. What’s the one React concept that confused you the most when you started? Let me know in the comments #ReactJS #FrontendDevelopment #WebDevelopment #JavaScript #ReactHooks #CodingLife #DevTips

⚡ A small tip that improves many React applications. Avoid unnecessary re-renders. Using React.memo and useMemo in the right places can significantly improve performance in large applications. Performance is not just about writing code. It's about writing efficient code. Have you faced performance issues in React applications? #ReactJS #FrontendDevelopment #WebPerformance #JavaScript #SoftwareEngineering

⚡ A small tip that improves many React applications. Avoid unnecessary re-renders. Using React.memo and useMemo in the right places can significantly improve performance in large applications. Performance is not just about writing code. It's about writing efficient code. Have you faced performance issues in React applications? #ReactJS #FrontendDevelopment #WebPerformance #JavaScript #SoftwareEngineering

One React Hook changed the way I build dynamic forms. And honestly, it saved me from a lot of messy code. Before using useFieldArray in React Hook Form, I used manual state for dynamic fields. At first, it looked manageable. But as the form started growing, the logic became messy very quickly. Adding fields, removing fields, keeping values in sync, and handling validation started taking more effort than expected. The feature was simple, but the code was not. Then I started using useFieldArray. That is when I understood how useful this hook is in real projects. It makes dynamic form handling much cleaner. Add and remove actions become easier. The structure feels more organized. And the code becomes easier to maintain. For me, the biggest lesson was simple: Sometimes a problem feels difficult not because it is truly hard, but because we are solving it in a harder way. If you work with dynamic forms in React, this hook is worth understanding deeply. What React Hook made your code noticeably cleaner? #ReactJS #JavaScript #FrontendDevelopment #ReactHookForm #SoftwareEngineering #WebDevelopment #NextJS

⚛️ A Common useState Mistake in React Native Many developers create multiple states like this: const [name, setName] = useState('') const [age, setAge] = useState('') const [city, setCity] = useState('') It works, but managing many states can become difficult. A better way for related data is using a single object: const [profile, setProfile] = useState({ name: '', age: '', city: '' }) ✔ Cleaner code ✔ Easier state updates ✔ Better for larger components Small improvements in code structure make apps easier to maintain. #ReactNative #JavaScript #MobileDevelopment