For example, in `#getItems()`, a bad selector is silently ignored when calling `next()`, making debugging difficult. It could be happening at a higher level (e.g, `Shortcut()` calls, or the US manager). So this may not be specific to `Scroller`, but easy to reproduce.
For example, in
#getItems(), a bad selector is silently ignored when callingnext(), making debugging difficult.It could be happening at a higher level (e.g,
Shortcut()calls, or the US manager). So this may not be specific toScroller, but easy to reproduce.