Node.js Architecture: V8, C++ Bindings & libuv

Ever wondered how Node.js works behind the scenes? 🤔 In my latest blog, I broke down Node.js internals in a simple way — focusing on the 3 core components: 🔹 V8 Engine (executes JS & manages memory) 🔹 Libuv (handles async tasks & event loop) 🔹 Bindings (connects V8 with system-level operations) Understanding this flow really changes how you look at things like fs.readFile() or setTimeout() 💡 👉 Read the full blog here: https://lnkd.in/g-AbBCiy I’d really appreciate your thoughts, feedback, or any experiences you’ve had while working with event propagation 😊 Hitesh Choudhary | Piyush Garg | Akash Kadlag #JavaScript #WebDevelopment #Blog #NodeJs #Cohort2026 #LearnInPublic #libuv #v8

🚀 Understanding Node.js Internals: Event Loop & Thread Pool This week, I took a deeper dive into how Node.js actually works behind the scenes — and it completely changed how I think about asynchronous code. 🔹 JavaScript in Node.js runs on a single thread 🔹 Yet it handles multiple tasks efficiently using the Event Loop 🔹 Heavy operations are offloaded to the Thread Pool (via libuv) Some key takeaways: Event Loop manages execution in phases (Timers, I/O, setImmediate, etc.) setTimeout(0) is not truly immediate setImmediate() behaves differently inside vs outside I/O process.nextTick() runs before the event loop even starts Understanding these concepts makes async behavior much more predictable and helps write better backend code. Would love to hear your thoughts or corrections 🙌! Blog Link : https://lnkd.in/gxBA4DeT #JavaScript #WebDev #LearnInPublic #Blog #libuv #EventLoop #ThreadPool #ChaiCode Thanks to Hitesh Choudhary, Piyush Garg, Jay Kadlag, Akash Kadlag for guidance 😊

Day 65/100 – Starting with Node.js 🚀 Learned: What Node.js is and how it allows JavaScript to run outside the browser Basic idea of the Event Loop and how Node handles multiple requests efficiently Introduction to Express and how it simplifies backend development What stood out: Node.js doesn’t work like traditional synchronous systems. Instead of waiting, it handles tasks asynchronously using the event loop, making it fast and scalable. #NodeJS #BackendDevelopment #JavaScript #LearningInPublic #100DaysOfCode

Today Class was on Internals of Node.js! Understood how Node.js runs on a single main thread, uses the event loop to handle async tasks, and a thread pool (default 4 threads) for heavy operations. Also learned how phases like I/O polling, expired callbacks, and setImmediate work behind the scenes. Really interesting to see how Node.js executes code internally. #NodeJS #NodeJSInternals #JavaScript #EventLoop #ChaiCohort26 #Chaicode Hitesh Choudhary Chai Code #piyushgarg Anirudh Jwala Akash Kadlag Jay Kadlag JavaScript

✨ Master JavaScript Array Destructuring for Cleaner Code Modern JavaScript lets you extract values in one line—making your code shorter, clearer, and easier to maintain. 🧠 Why it matters: Readable code = fewer bugs + faster development. ⚛️ If you’re using React, you’re already using destructuring (useState, useReducer). #JavaScript #FrontendDevelopment #WebDevelopment #ReactJS #CleanCode #ModernJS #SoftwareEngineering

⚠️ Struggling with messy JavaScript apps or unexpected bugs? Chances are it’s because the foundation, your modules, isn’t fully understood. ES Modules solve this: isolated scope, explicit dependencies, live exports, and predictable execution. They’re not just syntax, they’re the backbone of modern JS. 💡 For a full breakdown of how modules actually work and how to structure clean, maintainable JS applications, check out the deep dive: https://lnkd.in/dFvxYbYB

𝗩𝗨𝗘.𝗷𝗦 𝗠𝗔𝗞𝗘𝗦 𝗗𝗔𝗧𝗔 𝗧𝗥𝗔𝗡𝗦𝗙𝗘𝗥 𝗘𝗔𝗦𝗜𝗘𝗥 You use Vue.js to create user interfaces. It is a JavaScript framework. Vue.js makes it easy to transfer data. You want to learn how to transfer data between templates. Vue.js helps you with this. - It is easy to use - It saves you time - It makes your work easier Source: https://lnkd.in/gxm65wxr

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