I can’t make a simple .show() or .hide() function. I really think there is something wrong with Wix Code right now…
Have you simply tried contacting Wix Support to see if they have any replies about it already?
https://support.wix.com/en/article/contacting-wix-support
https://support.wix.com/en/article/contacting-wix-by-phone-3491545
Wix could have a bug or it could simply be routine maintenance on their servers which will be finished soon.