As requested, a tutorial on how to make use of the Synchronet JSexec "uifc" object to make your own full-screen text mode user interface applications (ala Borland Turbo Vision, Novell SYSCON and similar DOS-era UIs).
https://wiki.synchro.net/ref:uifc
https://wiki.synchro.net/util:jsexec
On this page of the site you can watch the video online Programming Synchronet UIFC Apps in JavaScript with a duration of hours minute second in good quality, which was uploaded by the user Synchronet BBS Software 29 October 2023, share the link with friends and acquaintances, this video has already been watched 302 times on youtube and it was liked by 17 viewers. Enjoy your viewing!