- Type: one of the values below
- Indicates whether the
splitterhas collapsed content or not. This attribute will be updated automatically as the splitter is moved, and is generally used in a stylesheet to apply a different appearance for each state.
- The content either before or after the splitter, depending on the value of the collapsed attribute, is currently displayed.
- The content either before or after the splitter is collapsed and is not visible.
- The user is current adjusting the position of the splitter, typically by dragging it with the mouse.
More info on splitters in the XUL tutorial