The purpose of this class is to introduce to the student:

• What are APIs and how to interact with them
• What is AJAX and how to apply it (XMLHttpRequest)
• How to use libraries (axios)

FIRST HALF (12.00 - 13.30)

1. What are APIs and how to interact with them

Notes:

• Part of an application that can be communicated with from an outside source
• Connect to it using "endpoints"
• Mostly used to request data from some service

Show examples

2. What is AJAX and how to apply it (XMLHttpRequest)

Notes:

• It's a technique, not a technology
• AJAX stands for Asynchronous JavaScript and XML
• Nowadays we use JSON instead of XML
• Fetch data without reloading the page

Do exercise

SECOND HALF (14.00 - 16.00)

3. How to use libraries (axios)

Notes:

• A library is a code solution a developer (or a team) has written to a common problem
• Usually open-source
• Helps to solve a problem within an application
• Read the documentation on how to use it

Do Exercise