JSON (JavaScript Object Notation) is the most popular data representation format. It allows you to create APIs, config files, and structured data.

In this JSON crash course video, you will learn:

  • what JSON is,
  • why JSON is important,
  • what JSON is used for,
  • the syntax of JSON,
  • and see multiple examples of JSON.

You can watch the video below, or on the the freeCodeCamp.org YouTube channel (11 minute watch).