Creates a separator bar, much like the HTML hr element. It can be used in menus and trees for seapartor bars.

Attributes inherited from XUL Element

If the label of the separator is too small to fit in its given space, the text will be cropped on the side specified by the crop attribute. An ellipsis will be placed in place of the cropped text.

• left: The text will be cropped on its left side.
• right: The text will be cropped on its right side.
• center: The text will be cropped on both sides.
• none: The text will be not be cropped using an ellipsis. However, the text will simply be cut off if it too large. The side depends on the CSS text alignment.

Indicates the flexibility of the separator. Flexible elements grow and shrink to fit their given space. The actual value is not relevant unless there are other flexible elements with-in the same container. Elements with larger flex values will grow more than elements with lower flex values, at the ratio determined by the two elements.

The height of the separator in pixels. It is recommended to use the CSS height property instead.

For elements placed within a bulletinboard, specifies the position of the left edge of the separator.

Used to specify whether the children of the separator element are oriented horizontally or vertically.

• horizontal: Child elements of the separator are placed next to each other in a row in the order that they appear in the XUL source.
• vertical: Child elements of the separator are placed under to each other in a column in the order that they appear in the XUL source.

For elements placed within a bulletinboard, specifies the position of the top edge of the separator.

The label that will appear on the separator. If this is left out, no text appears.

The width of the separator in pixels. It is recommended to use the CSS width property instead.