Finish the challenges inside `src/js/main.js`

[AndrewLester]

Description

Finish the challenges inside src/js/main.js.

MENTORS: Use the dev server for this. Explain what commands you're running. What does the dev server help with (hot reload, debugging, etc.). What is NodeJS/npm and why are we using it here?

Learning objectives

• JS
• document object
• Event listeners

Todo

These points are a rough guideline. Please feel free to discuss with others on the team about the best way to design this component!

• See the instructions inside src/js/main.js