Reading material for the first lecture:

In week one we will discuss the following topics:
• Structure for a basic SPA (Single Page Application)
• XMLHttpRequests
• API calls

Here are resources that we like you to read as a preparation for the first lecture:

How to write clean code? Lessons learnt from “The Clean Code” — Robert C. Martin.

Note that this article includes some code examples writte in Java, but the same principles can equally be applied to JavaScript.
Clean Code concepts adapted for JavaScript