JS Essentials Library

Hello!
Although probably useless to most, for advanced coders I’ve put together a little library in game lab combining some app lab and javascript functions into gamelab. So far it’s pretty barebones and I would like some suggestions and feedback. It includes pen (Down, Move, Up), wait, asyncEcho, replace, and hex to rgb functions.
Library ID: 4e09a14f-4dac-47da-afe2-e9ea1c3584dd
Code: Game Lab - Code.org