Did you know? JavaScript was created in just 10 days. 🤯 The language that powers most of the web today was built by Brendan Eich in only 10 days. What started as a simple scripting language is now running: • Frontend (React, Vue) • Backend (Node.js) • Mobile apps • Even AI tools Lesson? Don’t underestimate small beginnings. Big things can come from fast starts. #javascript #webdevelopment #codingfacts #techfacts #developerlife
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There’s a gap in modern JavaScript development that most teams overlook. Sometimes you want to add JavaScript that doesn’t really make sense as a React App, but you want the guardrails and performance that a modern TypeScript and Webpack build process offers. We’re going to go through the process of creating a blank TypeScript global client extension from beginning to end. Learn how to create one from scratch: https://bit.ly/4bR8R28 #JavaScript #TypeScript #Liferay #WebDevelopment #Frontend
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Your React app is slow. Here's why. 🐢 Most devs jump straight to optimization tools. But 90% of the time, the fix is simpler: 🔴 Fetching data in every component independently → Lift it up or use a global state solution 🔴 Importing entire libraries for one function → `import _ from 'lodash'` hurts. Use named imports. 🔴 No lazy loading on heavy routes → React.lazy() exists. Use it. 🔴 Images with no defined size → Layout shifts kill perceived performance 🔴 Everything in one giant component → Split it. React re-renders what changed, not what didn't. Performance isn't magic. It's just not making avoidable mistakes. Save this for your next code review. 🔖 #ReactJS #Frontend #WebPerformance #JavaScript #WebDev
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🚀 Getting Started with React? Let’s break down the core concepts! Whether you're new to React or revisiting the fundamentals, understanding these building blocks is key to becoming a confident front-end developer. 🧩 Components – The heart of any React app. Think of them as reusable puzzle pieces. ✨ JSX – Write markup-like syntax that gets transformed into JavaScript. Cleaner, simpler, elegant. 📦 Props – Pass data between components just like HTML attributes — but way more powerful! 🧠 State – Manage dynamic data inside a component. Every component can have its own state. ⚡ Events – Handle user interactions with React’s synthetic event system — consistent across all browsers. 🔁 Lifecycle – Tap into component life stages with methods like componentDidMount() and componentDidUpdate(). Master these, and you're well on your way to building dynamic, modern web apps! 👉 Which React concept do you find most challenging or interesting? Let me know in the comments! #ReactJS #FrontendDevelopment #WebDevelopment #LearnReact #JavaScript #JSX #ReactComponents #CodingJourney #TechLearning #ReactHooks #ProgrammingBasics
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🚀 Day 948 of #1000DaysOfCode ✨ Setting Up Redux in Next.js (The Right Way) State management in modern apps can get messy — especially when you’re working with frameworks like Next.js. In today’s post, I’ve shared a clean and practical setup of Redux in a Next.js application, so you can manage global state without confusion. From configuring the store to integrating it properly with your app structure, this setup ensures everything works smoothly with both client and server rendering. I’ve also focused on keeping the setup scalable, so you’re not just making it work — you’re building it the right way from the start. If you’re building real-world React or Next.js applications, understanding this setup will save you a lot of time and headaches later. 👇 What’s the most confusing part for you when setting up Redux in Next.js? #Day948 #learningoftheday #1000daysofcodingchallenge #FrontendDevelopment #WebDevelopment #JavaScript #React #Next #CodingCommunity #Redux #CodingCommunity
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Just published my first npm package: react-form-draft 🎉 It helps React apps persist and restore non-sensitive form drafts in the browser, with first-class support for React Hook Form. Built for long forms, settings pages, onboarding flows, and any screen where users might refresh, leave, and come back later. I’d really appreciate it if React / frontend developers give it a try and share feedback: API clarity DX edge cases real-world use cases Package: react-form-draft If you test it and have suggestions, I’d love to hear them. #react #npm #javascript #typescript #reacthookform #webdevelopment #opensource
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🚨 𝗧𝗵𝗶𝘀 𝘀𝗺𝗮𝗹𝗹 ! 𝗶𝗻 𝗧𝘆𝗽𝗲𝗦𝗰𝗿𝗶𝗽𝘁 𝗰𝗮𝗻 𝗰𝗿𝗮𝘀𝗵 𝘆𝗼𝘂𝗿 𝗲𝗻𝘁𝗶𝗿𝗲 𝗮𝗽𝗽. 𝗬𝗲𝘀… 𝘀𝗲𝗿𝗶𝗼𝘂𝘀𝗹𝘆. I once saw code like this: user!.name At first glance, it looks harmless. But this one symbol can silently introduce runtime bugs if you don’t understand it. 💡 𝗦𝗼 𝘄𝗵𝗮𝘁 𝗱𝗼𝗲𝘀 ! 𝗮𝗰𝘁𝘂𝗮𝗹𝗹𝘆 𝗱𝗼? It’s called the 𝗡𝗼𝗻-𝗡𝘂𝗹𝗹 𝗔𝘀𝘀𝗲𝗿𝘁𝗶𝗼𝗻 𝗢𝗽𝗲𝗿𝗮𝘁𝗼𝗿 👉 It tells TypeScript: “Trust me, this value is NOT null or undefined.” 🔍 𝗘𝘅𝗮𝗺𝗽𝗹𝗲: const name: string | undefined = undefined; name!.toUpperCase(); 💥 𝗕𝗼𝗼𝗺. 𝗖𝗿𝗮𝘀𝗵. 👉 TypeScript stays quiet 👉 JavaScript throws the error Because YOU told TypeScript: “Trust me” …and it did 😅 🧠 𝗧𝗵𝗲 𝗿𝗲𝗮𝗹 𝗽𝗿𝗼𝗯𝗹𝗲𝗺? ! doesn’t make your code safe It just 𝗵𝗶𝗱𝗲𝘀 𝘁𝗵𝗲 𝘄𝗮𝗿𝗻𝗶𝗻𝗴 🔥 𝗕𝗲𝘁𝘁𝗲𝗿 𝗮𝗽𝗽𝗿𝗼𝗮𝗰𝗵: if (name) { name.toUpperCase(); } ✔ Safe ✔ Predictable ✔ No surprises 👉 If you’re using !, ask yourself: “Am I 100% sure this will never be null?” If not… don’t use it. 💬 𝗛𝗮𝘃𝗲 𝘆𝗼𝘂 𝗲𝘃𝗲𝗿 𝗳𝗮𝗰𝗲𝗱 𝗮 𝗯𝘂𝗴 𝗯𝗲𝗰𝗮𝘂𝘀𝗲 𝗼𝗳 !? #TypeScript #ReactJS #Frontend #WebDevelopment #JavaScript #CodingTips #SoftwareEngineering
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🔥 Unpopular opinion: Most React developers don’t actually understand useEffect. I didn’t either… until my app froze in production. 💥 No errors. No warnings. Just a stuck screen. The culprit? 👇 useEffect(() => { fetchData(); }); Looks normal, right? ❌ 💥 This runs on EVERY render → fetch updates state → state triggers render → infinite loop ♾️ And your app? Dead. ✅ Fix: useEffect(() => { fetchData(); }, []) 💡 Lesson: useEffect isn’t “run this code” It’s “run this code when dependencies change” Most bugs aren’t logic issues. They’re misunderstanding how React works. Follow me more Such learning Content and the mistakes that I had made, so that you shouldn't ✍️👨💻 #ReactJS #Frontend #JavaScript #SoftwareEngineering
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MVC didn't die when React arrived. It evolved — and in data-heavy apps, it's more relevant than ever. 👉 Explore more : https://lnkd.in/gNfawRuh #JavaScript #SoftwareArchitecture #ExtJS
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Top React.js Tools Every Developer Should Know: Building modern web apps becomes much easier when you use the right tools. Here are some of my go-to technologies for creating scalable and efficient React applications: 1) Next.js A powerful full-stack React framework for SSR and production-ready apps 2) Tailwind CSS - Utility-first CSS framework for fast and clean UI design 3) Redux Reliable state management for large-scale applications 4) Axios - Simplifies API calls and backend communication 5) Material UI - Ready-to-use, professional Ul components 6) Vite Lightning-fast development and build tool 7) React Router - Seamless client-side routing 8) TypeScript - Adds type safety for better scalability and maintainability Choosing the right stack can significantly improve performance, developer experience, and project scalability. #ReactJS #WebDevelopment #Frontend #JavaScript #Programming #Developers #Tech #SoftwareEngineering
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I’ve used both Redux and Context API in my React projects… and honestly, each has its place. ⚛️ In smaller apps, Context API feels simple and quick. But as things grow, I often switch to Redux for better structure and scalability. That’s something I’ve learned over time: The right choice depends on the project, not the trend. So I’m curious. What’s your go-to for state management? Redux or Context API? #ReactJS #Redux #ContextAPI #FrontendDevelopment #JavaScript
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