I had a hard time getting all this working but now it does. Make sure you have typescript installed to use this or just take the .js files. This is over commented and made for beginners looking to learn. My terminology might not be 100% in the comments but the goal here is to pay it forward. ENJOY!!
In the background video, for the loop to work you need to add a playlist. Add this at the end of that link “&playlist=cJp307Ugeyk”