Node.js Complete Tutorial: Beginner to Advanced (2026)

Node.js Complete Tutorial Series | From Beginner to Advanced (HTTP, File System, Streams, Crypto & REST API)

This Node.js Complete Tutorial Series is a comprehensive, step-by-step learning path designed to take you from absolute beginner to advanced Node.js developer. This course covers everything you need to master Node.js core concepts, file system operations, HTTP module, streams, REST APIs, security, cryptography, and performance monitoring — all explained in a practical and easy-to-understand way.

The tutorial series starts with the basics, including how to install Node.js on Windows and macOS, how to use the Node.js REPL, console.log, global variables, and how to take input from the command line. These foundational lessons help you understand how Node.js works internally before moving on to real-world development tasks.

Next, you will dive deep into Node.js File System (fs) module, where you’ll learn how to read, write, append, delete, copy, move, rename files, manage directories, check file permissions, monitor file changes, and efficiently handle large files using streams. Advanced topics like reading files line by line, handling errors such as EEXIST and ENOENT, and checking file size before reading are also covered in detail.

A major portion of this course focuses on the Node.js HTTP module. You will learn how to create a simple HTTP server, handle requests and responses, manage routes, parse URLs, work with query parameters, serve HTML, JSON, images, PDFs, and handle downloads. You’ll also master GET, POST, PUT, and DELETE requests, form data handling, request bodies, cookies, CORS, redirects, and building your own router from scratch.

The course also includes a complete breakdown of HTTP Status Codes (1XX to 5XX), helping you understand how real-world APIs communicate responses properly. You’ll build REST APIs, login APIs, handle concurrent requests, debug HTTP traffic, and make requests to external servers using `http.get()` and `http.request()`.

Advanced Node.js security and cryptography topics are covered using the crypto module. You’ll learn hashing (MD5, SHA256, SHA512), salting passwords, verifying hashes, generating secure tokens, UUIDs, random bytes, and random passwords. You’ll also work with HMAC, AES encryption/decryption, RSA key generation, encryption, decryption, signing, verification, and secure key storage.

Finally, the series wraps up with performance and production-level concepts such as memory usage monitoring and best practices for building secure, efficient Node.js applications.

This tutorial series is perfect for students, beginners, backend developers, and full-stack developers who want a deep and practical understanding of Node.js without relying on frameworks.

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