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Intermediate 11 planned topics Full Stack

Introduction to Express.js

Learn Express.js routing, middleware, and REST APIs on Node.js. Free Express introduction for backend developers.

Learning Outcomes

  • Create routes for GET, POST, PUT, and DELETE
  • Write middleware that logs or authenticates
  • Return JSON and proper status codes
  • Organize an API with Express Router

Overview

Express is the most common Node.js web framework. It maps HTTP methods and paths to handler functions.

This page introduces middleware order, routers, and how JSON APIs are structured.

You will see why error-handling middleware sits at the end of the stack.

What this course will cover

  1. 1. App setup
  2. 2. Routing
  3. 3. Middleware
  4. 4. REST JSON
  5. 5. Error handlers
  6. 6. Static files

Start a complete tutorial now

Full 6-level lessons are live for C, C++, Java, Python, and JavaScript. Use them while the remaining Express.js lessons are added.

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