Limitations of Global UI ScriptsIssue As we know, UI scripts provide a way to package client-side JavaScript into a reusable form, similar to how script includes store server-side JavaScript. Global UI scripts can run almost anywhere in the instance but there are some limitations.Facts- They are not supported for mobile. - They can't be created in a scoped application. - They do not run on any angular pages on our platform.Resolution Problem was also raised PRB661318 which the development team decided as "Won't Fix".Related LinksUI Scripts: Global UI scripts