React Best Practices for Developers

🚀 𝙐𝒏𝙙𝒆𝙧𝒔𝙩𝒂𝙣𝒅𝙞𝒏𝙜 𝘼𝒔𝙮𝒏𝙘𝒉𝙧𝒐𝙣𝒐𝙪𝒔 𝑬𝙫𝒆𝙣𝒕-𝑫𝙧𝒊𝙫𝒆𝙣 𝘼𝒑𝙥𝒍𝙞𝒄𝙖𝒕𝙞𝒐𝙣𝒔 𝐮𝐬𝐢𝐧𝐠 𝙅𝒂𝙫𝒂𝙎𝒄𝙧𝒊𝙥𝒕 The use of modern JavaScript applications to the asynchronous, event-driven architecture (EDA) that is the major model for keeping the apps fast, responsive, and scalable. Whether you are browser-based or working with Node.js, the solution is in the way JavaScript manages tasks without stopping the main thread. 🔑 𝙆𝙚𝙮 𝘾𝙤𝙣𝙘𝙚𝙥𝙩𝙨: 𝐒𝐢𝐧𝐠𝐥𝐞-𝐓𝐡𝐫𝐞𝐚𝐝𝐞𝐝 𝐍𝐚𝐭𝐮𝐫𝐞: JavaScript runs on one main thread, so async operations prevent heavy tasks (like I/O or network calls) from freezing the UI or slowing down the server. 𝐓𝐡𝐞 𝐄𝐯𝐞𝐧𝐭 𝐋𝐨𝐨𝐩: At the heart of JavaScript’s runtime, it continuously checks the call stack and task queues, ensuring smooth execution of concurrent operations. 𝐍𝐨𝐧-𝐁𝐥𝐨𝐜𝐤𝐢𝐧𝐠 𝐈/𝐎: Instead of waiting for slow tasks to finish, JavaScript delegates them to system APIs (Web APIs in browsers or libuv in Node.js) and moves on. 𝑨𝒔𝒚𝒏𝒄 𝑪𝒐𝒏𝒕𝒓𝒐𝒍 𝑴𝒆𝒄𝒉𝒂𝒏𝒊𝒔𝒎𝒔: 𝐂𝐚𝐥𝐥𝐛𝐚𝐜𝐤𝐬: The traditional way to execute code after async tasks. 𝐏𝐫𝐨𝐦𝐢𝐬𝐞𝐬: A cleaner approach using .then() and .catch(). 𝐀𝐬𝐲𝐧𝐜/𝐀𝐰𝐚𝐢𝐭: The modern standard — making asynchronous code look and feel synchronous. To put it simply, asynchronous programming is not only a method but also the base on which the JavaScript performance and responsiveness in the web and server applications of the present day are built. #JavaScript #NodeJS #AsynchronousProgramming #EventLoop #WebDevelopment #SoftwareEngineering #InterviewQuestions

🚀 Async/Await vs Then/Catch in JavaScript In JavaScript, both async/await and .then/.catch handle asynchronous operations — but their syntax and readability make a big difference. 💡 Using .then() and .catch() fetch('https://lnkd.in/gPEUAc9s') .then(res => res.json()) .then(data => console.log(data)) .catch(err => console.error(err)); 🧠 Promise chaining works fine for small tasks, but gets messy when logic grows — leading to callback hell 2.0. 💡 Using async/await async function getData() { try { const res = await fetch('https://lnkd.in/gPEUAc9s'); const data = await res.json(); console.log(data); } catch (err) { console.error(err); } } getData(); ✨ Cleaner. Easier to read. Feels synchronous. You can use try/catch for structured error handling, just like synchronous code. --- 🔍 Key Differences Feature .then/.catch async/await Readability Nested & verbose Clean & linear Error Handling .catch() try/catch Debugging Harder Easier Control Flow Promise chaining Sequential-looking code --- 👨💻 Pro Tip: Use async/await for modern apps — it makes asynchronous logic more maintainable. But under the hood, it’s still powered by Promises! ⚙️ --- #JavaScript #AsyncAwait #WebDevelopment #Frontend #CodingTips #100DaysOfCode #LearnWithMe

Chaining Promises in JavaScript ✨ When working with asynchronous code, chaining Promises helps us execute multiple operations step by step — keeping our code clean, readable, and manageable.Instead of creating a callback hell, we can chain .then() methods to handle results sequentially. Here’s an example: function getData() { return new Promise((resolve) => { setTimeout(() => resolve("Step 1: Data fetched ✅"), 1000); }); } function processData() { return new Promise((resolve) => { setTimeout(() => resolve("Step 2: Data processed ⚙️"), 1000); }); } function showResult() { return new Promise((resolve) => { setTimeout(() => resolve("Step 3: Result displayed 🎯"), 1000); }); } getData() .then(response => { console.log(response); return processData(); }) .then(response => { console.log(response); return showResult(); }) .then(response => { console.log(response); }) .catch(error => { console.error("Error:", error); }); Each .then() waits for the previous Promise to complete before executing the next one — ensuring smooth and predictable flow. #JavaScript #Promises #AsyncProgramming #WebDevelopment #CodeNewbie #MERNStack #JSDeveloper #CodingJourney #LearnInPublic #WebDevelopers #FrontendDevelopment #100DaysOfCode #JavaScriptTips

🔧 This Week in Front End Tools: Vite+ & Rolldown The front end tooling ecosystem is consolidating around performance and developer experience. Here are two major tool announcements reshaping how developers build modern web applications 👇 ⚡ Vite+ announced as the unified JavaScript toolchain VoidZero unveiled Vite+ at ViteConf, a comprehensive drop-in upgrade to Vite that bundles everything developers need into one CLI: -vite lint: Oxlint linting, 100× faster than ESLint -vite fmt: Prettier-compatible code formatting -vite test: Vitest testing framework built-in -vite lib: Library bundling with blazing-fast DTS generation -vite run: Monorepo task running with intelligent caching, zero configuration The entire suite is Rust-powered, works seamlessly with React, Vue, Svelte, and other frameworks, and eliminates the complexity of managing separate tools and their compatibility. 🚀 Framer migrates to Rolldown bundler Framer became one of the first major companies to adopt Rolldown in production, achieving faster build times and improved code optimization. The Rust-powered bundler maintains full Rollup API compatibility while delivering massive performance gains through multi-threaded parallelization and Oxc-based parsing. This production deployment demonstrates Rolldown’s maturity, while Vite integration remains experimental but is rapidly stabilizing. 💬 Which of these tools are you planning to adopt? Share your thoughts below or explore more insights from GreatFrontEnd! https://lnkd.in/gXkXWkfi #Frontend #WebDevelopment #JavaScript #Vite #Rolldown #GreatFrontEnd

Async/Await — cleaner code, same engine. Let’s decode the magic behind it ⚙️👇 Ever heard the phrase — “JavaScript is asynchronous, but still runs in a single thread”? That’s where Promises and Async/Await come into play. They don’t make JavaScript multi-threaded — they just make async code smarter and cleaner 💡 Here’s a quick look 👇 // Using Promise fetchData() .then(res => process(res)) .then(final => console.log(final)) .catch(err => console.error(err)); // Using Async/Await async function loadData() { try { const res = await fetchData(); const final = await process(res); console.log(final); } catch (err) { console.error(err); } } Both do the same job — ✅ Promise handles async tasks with .then() chains ✅ Async/Await makes that flow look synchronous But what’s happening behind the scenes? 🤔 The V8 engine runs your JS code on a single main thread. When async functions like fetch() or setTimeout() are called, they’re handled by browser APIs (or libuv in Node.js). Once those tasks complete, their callbacks are queued. Then the Event Loop picks them up when the main thread is free and executes them back in the call stack. In simple words — > Async/Await doesn’t change how JavaScript works. It just gives async code a clean, readable face 🚀 That’s the power of modern JavaScript — fast, efficient, and elegant ✨ #JavaScript #AsyncProgramming #WebDevelopment #Frontend #FullStack #NodeJS #ReactJS #MERNStack #Coding #SoftwareEngineering #DeveloperLife

𝗥𝗶𝗽𝗽𝗹𝗲: 𝗔 𝗡𝗲𝘄 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸 𝗥𝗲𝘁𝗵𝗶𝗻𝗸𝗶𝗻𝗴 𝗙𝗿𝗼𝗻𝘁-𝗘𝗻𝗱 𝗖𝗼𝗺𝗽𝗹𝗲𝘅𝗶𝘁𝘆 The JavaScript ecosystem keeps evolving — and just when we think we’ve seen it all, a new framework enters the scene. Recently, Dominic Gannaway (known for his work on React, Inferno, and Svelte) introduced Ripple, a TypeScript-first UI framework that’s getting attention for rethinking some long-standing challenges in front-end development. Ripple tries to simplify what many developers struggle with today — boilerplate, state management complexity, and performance overhead. A few noticeable ideas from Ripple’s approach: 🔹 Direct statements in templates – fewer abstractions, making logic more readable. 🔹 Built-in reactivity with track() and @ syntax – replaces hooks or signals with a cleaner, reactive model. 🔹 The $ syntax for reactivity in expressions – automatically tracks dependencies without manual wiring, improving readability and reducing repetitive code. 🔹 Scoped CSS and fine-grained DOM updates – improves encapsulation and minimizes unnecessary re-renders. 🔹 TypeScript-first design – ensures type safety and smooth developer experience from the start. These concepts address the fatigue developers feel from repetitive patterns in React and the complexity of managing reactivity in large applications. 💭 Do we really need new frameworks to simplify front-end development, or should we focus on refining the tools we already have? Ripple is still in its early stage, but it’s a reminder that our tools are constantly evolving to make the web simpler, even if the ecosystem keeps getting bigger. #JavaScript #TypeScript #WebDevelopment #Frontend #Ripple #Frameworks #DeveloperExperience

Web Development Update Today, we explored some core concepts that shape how modern JavaScript handles asynchronous operations. We started with callbacks, which allow us to execute a function after another function has completed. While callbacks are powerful, they can quickly become difficult to manage when nested within multiple layers—this situation is known as callback hell. To solve this, we learned about Promises, which provide a cleaner and more readable way to handle asynchronous code. Promises make it easier to manage success and error scenarios without deeply nested structures. Building on that, we studied async and await, modern JavaScript keywords that make asynchronous code look and behave more like synchronous code. This improves readability and makes error handling more straightforward. Finally, we learned about the Fetch API, which is used to make network requests, such as getting data from an external API. With fetch, along with async and await, we can write concise and efficient code for working with APIs. GitHub: https://lnkd.in/e6FvBmjN #WebDevelopment #JavaScript #Promises #AsyncAwait #FetchAPI #CodingJourney #LearningInPublic #WebDev #Developers

How to Build Custom React Hooks: A Practical Guide Custom hooks are one of React's most underutilized features. They allow you to extract and reuse component logic elegantly, keeping your code DRY and maintainable. In this tutorial, I break down: 𝟭. 𝗪𝗵𝗮𝘁 𝗮𝗿𝗲 𝗖𝘂𝘀𝘁𝗼𝗺 𝗛𝗼𝗼𝗸𝘀? Reusable functions that encapsulate stateful logic. They can use other React hooks and follow the same rules, but are completely flexible to your needs. 𝟮. 𝗧𝗵𝗲 𝗘𝘀𝘀𝗲𝗻𝘁𝗶𝗮𝗹 𝗥𝘂𝗹𝗲𝘀 - Must start with "use" - Only call at the top level - Can compose other hooks These conventions ensure React can track state correctly. 𝟯. 𝗥𝗲𝗮𝗹-𝗪𝗼𝗿𝗹𝗱 𝗘𝘅𝗮𝗺𝗽𝗹𝗲: 𝘂𝘀𝗲𝗙𝗲𝘁𝗰𝗵 I walk through building a complete data-fetching hook that handles loading states, errors, and data, all reusable across your entire application. 𝟰. 𝗣𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 Some custom hooks I've built in production: - useLocalStorage - Persist state across sessions - useDebounce - Optimize API calls and search - useWindowSize - Responsive UI logic - useAuth - Centralized authentication state 💡 𝗞𝗲𝘆 𝗜𝗻𝘀𝗶𝗴𝗵𝘁: When you find yourself copying the same logic between components, that's your signal to extract it into a custom hook. In my recent projects, using custom hooks reduced code duplication by ~40% and made testing significantly easier by isolating logic from presentation. What's your favorite custom hook to build? Or do you have questions about implementing them? #ReactJS #JavaScript #WebDevelopment #SoftwareEngineering #CustomHooks #FrontendDevelopment #FullStackDevelopment #Programming #CleanCode #ReactTutorial #DeveloperTips #TechEducation #SoftwareDeveloper #CodingTutorial #WebDev #UKJOB

Build Library Management System Using React, Shadcn/ui, Supabase, Tanstack Query(React Query)🚀 11+ hours of video content⚡️ What you will learn: ✅ How to build an application from scratch in a step-by-step way ✅ How to work with Supabase from scratch ✅ How to 𝘀𝗲𝗮𝗿𝗰𝗵 𝘁𝗵𝗿𝗼𝘂𝗴𝗵 𝗦𝘂𝗽𝗮𝗯𝗮𝘀𝗲 𝗱𝗼𝗰𝘂𝗺𝗲𝗻𝘁𝗮𝘁𝗶𝗼𝗻 to implement anything you need ✅ How to create better folder and file structure to better organize code ✅ How to easily implement a 𝗱𝗮𝘁𝗮 𝗴𝗿𝗶𝗱 𝘄𝗶𝘁𝗵 𝗽𝗮𝗴𝗶𝗻𝗮𝘁𝗶𝗼𝗻, 𝗳𝗶𝗹𝘁𝗲𝗿𝗶𝗻𝗴, 𝗮𝗻𝗱 𝘀𝗼𝗿𝘁𝗶𝗻𝗴 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝗮𝗹𝗶𝘁𝘆 ✅ How to work with 𝗧𝗮𝗻𝘀𝘁𝗮𝗰𝗸 𝗤𝘂𝗲𝗿𝘆 (𝗥𝗲𝗮𝗰𝘁 𝗤𝘂𝗲𝗿𝘆) & 𝗦𝗵𝗮𝗱𝗰𝗻/𝘂𝗶 from scratch ✅ How to write better code using 𝗰𝘂𝘀𝘁𝗼𝗺 𝗵𝗼𝗼𝗸𝘀 ✅ How to add a 𝘀𝗸𝗲𝗹𝗲𝘁𝗼𝗻 𝗹𝗼𝗮𝗱𝗶𝗻𝗴 𝗲𝗳𝗳𝗲𝗰𝘁 while loading the image ✅ How to quickly implement 𝗟𝗼𝗴𝗶𝗻, 𝗥𝗲𝘀𝗲𝘁 𝗣𝗮𝘀𝘀𝘄𝗼𝗿𝗱, 𝗘𝗺𝗮𝗶𝗹 𝗦𝗲𝗻𝗱𝗶𝗻𝗴 functionality Using Supabase ✅ How to create dynamic custom modals without re-writing the same code again ✅ How to 𝗯𝘂𝗶𝗹𝗱 𝗰𝗵𝗮𝗿𝘁𝘀 from scratch ✅ How to 𝘂𝗽𝗹𝗼𝗮𝗱 𝗶𝗺𝗮𝗴𝗲𝘀 𝘁𝗼 𝗦𝘂𝗽𝗮𝗯𝗮𝘀𝗲 ✅ How to 𝗯𝘂𝗶𝗹𝗱 𝗿𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝘃𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 using Tailwind CSS ✅ Various tips, tricks and better coding practices ✅ And the most important thing - 𝗛𝗼𝘄 𝘁𝗼 𝗱𝗲𝗽𝗹𝗼𝘆 𝘁𝗵𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝘁𝗼 𝗽𝗿𝗼𝗱𝘂𝗰𝘁𝗶𝗼𝗻 𝘀𝘁𝗲𝗽-𝗯𝘆-𝘀𝘁𝗲𝗽 𝗖𝗵𝗲𝗰𝗸 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗙𝗥𝗘𝗘 𝗽𝗿𝗲𝘃𝗶𝗲𝘄 𝘃𝗶𝗱𝗲𝗼𝘀 𝗼𝗻 𝘁𝗵𝗲 𝗰𝗼𝘂𝗿𝘀𝗲 𝗽𝗮𝗴𝗲. 𝗣𝗦: 𝗗𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝗰𝗵𝗲𝗰𝗸 𝗼𝘂𝘁 𝘁𝗵𝗲 𝗺𝗮𝘀𝘀𝗶𝘃𝗲 𝗼𝗳𝗳𝗲𝗿 𝗼𝗳 𝟵𝟯% 𝗱𝗶𝘀𝗰𝗼𝘂𝗻𝘁 𝗼𝗻 𝘁𝗵𝗲 𝗣𝗿𝗼 / 𝗟𝗶𝗳𝗲𝘁𝗶𝗺𝗲 𝗦𝘂𝗯𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻. 𝗟𝗶𝗻𝗸 𝗶𝗻 𝘁𝗵𝗲 𝗰𝗼𝗺𝗺𝗲𝗻𝘁 𝗮𝗻𝗱 𝗶𝗻 𝘁𝗵𝗲 𝗳𝗲𝗮𝘁𝘂𝗿𝗲𝗱 𝘀𝗲𝗰𝘁𝗶𝗼𝗻 𝗼𝗳 𝗺𝘆 𝗟𝗶𝗻𝗸𝗲𝗱𝗜𝗻 𝗽𝗿𝗼𝗳𝗶𝗹𝗲. #javascript #reactjs #supabase #tantackquery #webdevelopment

🚀 Async/Await vs Promises — When and How to Use Them Ever got confused about when to use Promises or Async/Await in Node.js or JavaScript? Let’s simplify it 👇 ⚙️ Promises Represent a value that may be available now, later, or never Great for chaining multiple async tasks But can become messy with too many .then() calls 🧩 Example: getUserData() .then(user => getPosts(user.id)) .then(posts => console.log(posts)) .catch(err => console.error(err)); ⚡ Async/Await Cleaner, more readable syntax for handling Promises Makes async code look synchronous Easier to handle errors with try...catch 🧩 Example: async function fetchUserPosts() { try { const user = await getUserData(); const posts = await getPosts(user.id); console.log(posts); } catch (err) { console.error(err); } } 💡 When to Use What ✅ Use Async/Await for sequential tasks and cleaner code ⚡ Use Promises (or Promise.all) for parallel async operations 🧠 Pro Tip: Both work on the same concept — non-blocking Promises. Async/Await just helps you think synchronously while running asynchronously. 🔥 Mastering this difference will make your Node.js code more efficient and elegant! #NodeJS #JavaScript #AsyncAwait #Promises #WebDevelopment #CodingTips #100DaysOfNode