My JS project is hidden.

Hi!

This article contains some general reasons why a program may have been hidden: https://support.khanacademy.org/hc/en-us/articles/360029084231-Why-was-my-CS-project-hidden

If you think the program was incorrectly hidden or if you would like more information, please submit an appeal using the form at the bottom of that article.

I hope this helps!