Writing Logic in Modern JavaScript Ecosystem

Day 2 🚀 It’s working. From idea → to a working CLI that sets up my full stack in one command ⚡ What it does: • Creates frontend/ (Next.js) • Creates backend/ (Express + MongoDB ready) • Sets up basic structure + routes Run once → start coding instantly. Next step: Publishing it as an npm package 📦 Turning a repetitive problem into a real tool feels 🔥 Would you use something like this? #BuildInPublic #JavaScript #NextJS #NodeJS #CLI

Many developers keep switching between React, Vue, Angular, and new tools… But without strong fundamentals, everything feels confusing. Focus on: • JavaScript core concepts • DOM & browser behavior • Logic & problem solving • CSS fundamentals Once your basics are strong, you can learn any framework easily. 💡 Don’t chase tools — master the foundation. What do you focus on more? 👇 Fundamentals or frameworks? #WebDevelopment #JavaScript #ProgrammingBasics #FrontendDeveloper #DeveloperTips #CodingJourney #LearnToCode #BuildInPublic

Node.js already has threads running in the background. So why does worker threads exist? Swipe through to find out! #nodejs #javascript #backend #softwareDevelopment

🚀 What I Learned Today: Node.js Internals • Node.js runs JavaScript on a single main thread • Top-level code executes first before the event loop starts • Import statements load during initialization • Event Loop manages asynchronous operations Event Loop Phases: • Timers → setTimeout() / setInterval() • I/O Polling → file system & network operations • Check → setImmediate() (Node.js specific) • Close Callbacks → cleanup tasks • Node.js uses a libuv worker thread pool (default: 4 threads) • Thread pool size can be changed using process.env.UV_THREADPOOL_SIZE https://lnkd.in/gwFG5WVW thank you Piyush Garg sir Hitesh Choudhary sir Akash Kadlag sir #chaiaurcode #NodeJS #JavaScript #Backend #EventLoop

After writing JavaScript for years, switching to TypeScript was a huge productivity boost. Example problem in JavaScript: function calculateTotal(price, quantity) { return price * quantity } What if someone passes a string? calculateTotal("10", 5) This may silently create bugs. TypeScript solves this: function calculateTotal(price: number, quantity: number): number { return price * quantity } Now the compiler protects your code before it reaches production. This is why most modern projects use: • React + TypeScript • Node.js + TypeScript • Next.js + TypeScript Type safety = fewer production bugs. Are you using TypeScript in your projects? #typescript #javascript #reactjs #nodejs #softwareengineering

✨ Why Use Modules in Node.js? Avoid repetitive code Organize large projects Share functions across files Using modules makes your Node.js projects scalable and professional. #NodeJS #BestPractices #Modules #JavaScript #BackendDev

🧩 Tired of global scope pollution and script-order bugs? I just published a complete guide on JavaScript Modules — one of the most important concepts every JS developer needs to understand. Here's what you'll learn: → Why global scripts cause chaos as your codebase grows → Named exports vs default exports (and when to use each) → How import/export actually works under the hood → Why modular code is easier to test, reuse, and maintain This is the foundation of every modern JavaScript project — React, Node.js, Express, all of it depends on this. Read the full blog here 👇 🔗 https://lnkd.in/geBDmV8Z Check out my Hashnode profile for more JS content 👇 🔗 https://lnkd.in/gAwxuryw #JavaScript #WebDevelopment #Programming #OpenSource #piyushgarg #chaicode #hiteshchoudhary

That’s very true for any JS developer, JavaScript isn’t a small language, it’s massive, and there’s always something new to learn.

Arrow functions are one of the most widely used features in modern JavaScript — especially in React applications. But many developers don’t clearly understand why they are preferred over traditional functions. In this short video, I explain: • Difference between normal functions and arrow functions • How arrow functions simplify syntax • How to create functions without the function keyword • Assigning functions to variables • Writing cleaner and more maintainable code Arrow functions help you write code that is: • Shorter • Cleaner • Easier to manage This is a foundational concept for frontend developers working with React. 🎓 Learn JavaScript & React with real-world projects: 👉 https://lnkd.in/gpc2mqcf 💬 Comment LINK and I’ll share the complete JavaScript roadmap. #JavaScript #ReactJS #FrontendEngineering #WebDevelopment #SoftwareEngineering #Programming #DeveloperEducation