To Run

You will require a server of some-kind, I recommend Live-Server

Learnings

add stylesheet

I keep googling this literary everytime

Correct way

<link rel="stylesheet" href="./index.css" />

Incorrect way I keep doing it

<style src="./index.css"></style>

Linking external javascript

<script type="text/javascript" src="/index.js"></script>

Note: You have to add the type="text/javascript or you'll be wondering why are all my already defined functions erroring out undefined undefined undefined like some glitching transformer