Hot Tip

🔥 CSS variables can be set to other CSS variables. Also we will soon be able to tweak colours with colour functions in CSS directly.

Good for Canadians who can never remember which way to spell grey

🔥 JavaScript functions visualized! This is a screenshot from my [Beginner JavaScript](https://BeginnerJavaScript.com) course.

🔥 When using JavaScript default function params, you can access other params from right inside the definition!