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Node.js — Visakh Vijayan

Node.js

Node.js tutorials, backend architecture patterns, APIs, async programming, performance tuning, and production best practices for building scalable server-side applications.

Contents

Getting Started with Node.js: Installation, Basics, and When to Use It
Understanding Node.js Modules with fs: require, import, and Sync Methods
Node.js Callbacks, Non-Blocking I/O, and Callback Hell
Building Your First HTTP Server in Node.js

May 28, 2026
Getting Started with Node.js: Installation, Basics, and When to Use It
Learn how to install Node.js, verify setup with node -v and npm -v, understand who created Node.js and why, and when Node.js is the right choice.
May 28, 2026
Understanding Node.js Modules with fs: require, import, and Sync Methods
Learn what modules are in Node.js, how the built-in fs module works, why require exists, the newer import syntax, what Sync means, and why utf-8 is used.
May 28, 2026
Node.js Callbacks, Non-Blocking I/O, and Callback Hell
Understand why synchronous code blocks Node.js, how callbacks enable non-blocking I/O with fs.readFile, and why callback hell led to promises and async/await.
May 29, 2026
Building Your First HTTP Server in Node.js
A structured guide to http.createServer, request/response handling, Content-Type, query strings, JSON parsing, and CommonJS modules—using a minimal server you can run locally.

Blog MCP · Built by Visakh Vijayan