Coding challenges?

Question

Can somebody give me some web coding challenges that meet the following needs:

1. Is not from somebody else's post(please don't link me to other similar questions )

2. in a list form

2. Is not a website creation challenge

I'm focusing on JS right now btw

Answer 1

Create an invoice or receipt printout, based on user inputs.

Answer 2

Build an app
Build a game
Build a library
Build an animation or simulation

Search through codepen pages for some inspiration

Answer 3

Codepen? noname I'll have to google that later.

Answer 4

CodePen is like a suped up version of Code Playground and a little bit like a portable IDE. It is commonly used to embed code snippets in blog posts. JSfiddle is comparable.