putting the js in via a script tag should work. Could you post a screenshot of your HTML element?
Looks like the editor is private. Could you open it up to at least view-only in the settings -> General tab?
have done that
@nnich19 have u been able to figure it out?
Assuming the element you’re talking about is “Post Video”, that’s really beyond my area of expertise. Lots of unpacking to do there.