Jayaprakash Manda’s Post

𝗣𝗹𝗮𝘆𝘄𝗿𝗶𝗴𝗵𝘁 𝘄𝗶𝘁𝗵 𝗝𝗮𝘃𝗮𝗦𝗰𝗿𝗶𝗽𝘁 & 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 – 𝗗𝗮𝘆 𝟵 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀  A function is a reusable block of code designed to perform a specific task. 𝗲𝘅: function greet() {  console.log("Hello World"); } 𝟭. 𝗡𝗮𝗺𝗲𝗱 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 A function with a specific name. Reusable and easier to debug. 𝗲𝘅: function greet(name) {  return "Hello " + name; } console.log(greet("Jay")); 𝟮. 𝗔𝗻𝗼𝗻𝘆𝗺𝗼𝘂𝘀 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 A function without a name. Usually assigned to a variable or used as a callback. 𝗲𝘅: function run(greet: (name:String) => void ) : void { greet ("Prakash");  } 𝟯. 𝗔𝗿𝗿𝗼𝘄 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻 Introduced in ES6. Shorter syntax and widely used in modern development. 𝗲𝘅: const greet = name => "Hello " + name; Follow me for regular insights on 𝗣𝗹𝗮𝘆𝘄𝗿𝗶𝗴𝗵𝘁 𝗔𝘂𝘁𝗼𝗺𝗮𝘁𝗶𝗼𝗻 𝗧𝗲𝘀𝘁𝗶𝗻𝗴. #JavaScript #TypeScript #NodeJS #Playwright #AutomationTesting #SoftwareTesting #QA #LearningInPublic #TestAutomation

This is a great GitHub repository by Airbnb that provides a comprehensive style guide for writing clean, consistent, and professional JavaScript 🔥 It’s a valuable resource for maintaining code quality and adhering to best practices in any project. Link 🔗: https://lnkd.in/dk9jG96j Hope this helps ✅ Do Like 👍 & Repost 🔄   #html #css #javascript #typescript #react #viral

💡 𝗧𝗶𝗽 𝗼𝗳 𝘁𝗵𝗲 𝗗𝗮𝘆 — 𝗥𝗲𝗮𝗰𝘁 𝗡𝗮𝘁𝗶𝘃𝗲 (𝗙𝗹𝗮𝘁𝗟𝗶𝘀𝘁 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗮𝘁𝗶𝗼𝗻) 𝗗𝗶𝗱 𝘆𝗼𝘂 𝗸𝗻𝗼𝘄? "FlatList" re-renders items whenever its "extraData" prop changes. If you pass a large object (like full component state) into "extraData", you may unintentionally trigger 𝗳𝘂𝗹𝗹 𝗹𝗶𝘀𝘁 𝗿𝗲-𝗿𝗲𝗻𝗱𝗲𝗿𝘀. 🔧 𝗕𝗲𝘀𝘁 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗲: - Keep "extraData" minimal - Memoize list items with "React.memo" when possible - Avoid passing unstable references Small optimization → smoother scrolling performance. #ReactNative #MobileDevelopment #PerformanceOptimization #JavaScript #AppDevelopment #SoftwareEngineering #CodingTips #React #FullstackDeveloper

⚡ Most developers accidentally make async JavaScript slower than it needs to be. A lot of people write async code like this: await first request wait… await second request wait… await third request It works. But if those requests are independent, you’re wasting time. The better approach: ✅ run them in parallel with Promise.all() That small change can make your code feel much faster without changing the feature at all. Simple rule: If task B depends on task A → use sequential await If tasks are independent → use Promise.all() This is one of those JavaScript habits that instantly makes you look more senior 👀 Join 3,000+ developers on my Substack: 👉 https://lnkd.in/dTdunXEJ How often do you see this mistake in real codebases? #JavaScript #WebDevelopment #Frontend #SoftwareEngineering #AsyncJavaScript #Promises #CodingTips #Developers #LearnToCode #AITechDaily

⚡ JavaScript Concept: Promises vs. Async/Await Stop the callback confusion! Choose the right tool for your async code. 🚀 🟢 Promises → The Foundation Action: Handles async operations via .then() and .catch(). Best for: Simple API fetches and parallel tasks. 🔴 Async/Await → The Standard Action: Cleaner syntax that reads like synchronous code. Best for: Complex logic and sequential API calls. #javascript #frontenddevelopment #reactjs #webperformance #webdevelopment

🧠 JavaScript Concept: Promise vs Async/Await Handling asynchronous code is a core part of JavaScript development. Two common approaches are Promises and Async/Await. 🔹 Promise Uses ".then()" and ".catch()" for handling async operations. Example: fetchData() .then(data => console.log(data)) .catch(err => console.error(err)) 🔹 Async/Await Built on top of Promises, but provides a cleaner and more readable syntax. Example: async function getData() { try { const data = await fetchData(); console.log(data); } catch (err) { console.error(err); } } 📌 Key Difference: Promise → Chain-based handling Async/Await → Synchronous-like readable code 📌 Best Practice: Use async/await for better readability and maintainability in most cases. #javascript #frontenddevelopment #reactjs #webdevelopment #coding

💡React Tip💡 Whenever you want to store an object in a state, use null as the initial value like this: const [user, setUser] = useState(null); instead of an empty object like this: const [user, setUser] = useState({ }); So if you want to check if user exist or if there are any properties present inside it, you can just use simple if condition like this: if(user) { // user exists, do something } or use JSX expression like this: { user && <p>User found</p>} However, If you use an empty object as the initial value, then you need to check like this: if(Object.keys(user).length === 0) { // user exists, do something } or use JSX expression like this: { Object.keys(user).length === 0 && <p>User found</p>} So assigning an initial value of null will make your code simpler and easier to understand. 𝗙𝗼𝗿 𝗺𝗼𝗿𝗲 𝘀𝘂𝗰𝗵 𝘂𝘀𝗲𝗳𝘂𝗹 𝗰𝗼𝗻𝘁𝗲𝗻𝘁, 𝗱𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝗳𝗼𝗹𝗹𝗼𝘄 𝗺𝗲. #javascript #reactjs #nextjs #webdevelopment

One common issue in async JavaScript is repetitive try/catch blocks that make code messy and harder to maintain. A cleaner approach is the await-to pattern, which wraps promises and returns [error, data]. This keeps your async functions clean, readable, and easier to debug. ✅ No nested try/catch ✅ No swallowed errors ✅ Cleaner and reusable code ✅ Better error handling pattern Sometimes the best optimization is not adding more code — it’s removing repetition. What pattern do you use for handling async errors in your projects? #JavaScript #ReactNative #NodeJS #CleanCode #AsyncAwait #SoftwareDevelopment #WebDevelopment

💻 How Frontend and Backend Should Actually Communicate In many projects, frontend and backend integration becomes messy because APIs are not clearly structured. A few simple practices make this much smoother: 📡 Use clear and predictable API endpoints 📦 Send consistent response formats ⚠ Handle errors properly from the backend 🔑 Use proper status codes for responses When communication between frontend and backend is clean, development becomes much faster and easier. Good applications are not just about writing features — they’re about making systems work together smoothly. 👇 Check the carousel for a simple breakdown. #WebDevelopment #FrontendDevelopment #BackendDevelopment #APIDesign #JavaScript #SoftwareEngineering

🚀 Tired of Googling JavaScript syntax every 5 mins? I got you. Here's an Interactive JavaScript Cheatsheet — and it slaps. 🧠 No more flipping through docs ⚡️ Fast, searchable, and clean 🛠️ Covers ES6+, DOM, array/object methods, async/await & more 🌙 Dark mode ready ✅ Copy-paste code blocks 📱 Mobile-friendly (because yes, we debug on phones too) If it helps you code faster, share it with a friend or teammate! Follow Muhammad Nouman for more useful content #JavaScript #WebDevelopment #Frontend #CodingLife #DevTools #ReactJS #NodeJS #WomenWhoCode #100DaysOfCode #CodeNewbie #DeveloperTools #JavaScriptCheatsheet #BuildInPublic #TechForGood