Introduction to Web APIs: Fetch API

This practical lesson offers an introduction to the Fetch API.

Learning Objectives

• Understand what Fetch APIs are
• Learn how to:
  • Pass through a URL to get a response
  • Analyze a JSON response
  • Parse JSON with the .json() method
  • Extract a specific piece of data from the response
  • Use the Fetch API in conjunction with a higher order function

Intended Audience

This lesson is intended for anyone who wants to learn about the Fetch API.

Prerequisites

Anyone with an interest in the Fetch API or Web APIs in general.
The following lesson serves as a primer on JavaScript Promises that the Fetch API uses:  Introduction to JavaScript Promises
The following lesson serves as a primer for the higher order Map function used in this video: Introduction to Higher Order Functions: Map & Filter