please don't hide scrollbars :)
In short: unless the native scroll bar will be wrong, do not under any circumstances hide it.
There are a few specific situations where it can be useful, but I added the caveat precisely because it’s generally not a good practice.
re scrollbars, Can you give an example?
You'd want to make it so either:
a) There is nothing to scroll in the first place, so you don't need a scrollbar
b) Capture the pointer so all interaction only occurs within the game's area.
- A swipe/drag carousel with visible arrows or dots, especially a looping carousel where the native scrollbar does not represent a meaningful start and end
- An accordion or expanding panel that animates to reveal all of its content. During the transition, its intermediate height may briefly produce a scrollbar (and a visual flash), even though the fully expanded state does not need one
- Highly visual or experimental interfaces where scrolling is communicated through another control, or where the scrollable area is decorative and scrolling is not required to access the content