https://docs.rs/focusable/latest/focusable/
A library for managing focusable elements in an application.
focusablerust
https://developer.chrome.com/blog/keyboard-focusable-scrollers?authuser=7
A change is rolling out to make scrollers without tabindex value set and with no focusable children keyboard focusable.
keyboardfocusableblogchromedevelopers
https://www.sc.edu/about/offices_and_divisions/digital-accessibility/toolbox/omni_cms/automated_issues/hidden_focus/index.php
When interactive content is hidden from assistive technology users but can still be reached with the tab key, it becomes unclear where the focus is on the web...
interactive contenthidden elementfocusabledigital