Introduction to Express - Express Routing

In this lesson you will learn how to create API routes for an Express server. 

Learning Objectives

• Implement a GET route handler
• Define what is the root entry point of an API
• Understand the request and response objects
• Define and implement the res.json() method
• Implement a POST route handler
• Implement the express.json() middleware to parse JSON requests
• Define and implement the res.body method
• Learn how to use Insomnia to test an API endpoint
• Implement a wildcard endpoint to handle requests that go to a non-existent endpoint 

Intended Audience

• This lesson is intended for anyone who wants to learn about Express.

Prerequisites

• Introduction to Node.js - What Is a Node Module and Non-Blocking I/O
• Introduction to Node.js - CommonJS Modules