Property | Settable? | Description |
---|---|---|
siblingAbove | no | The sibling element above, in z-order, or null if topmost. |
siblingBelow | no | The sibling element below, in z-order, or null if bottommost. |
above | no | The element above, in z-order, or enclosing window object if topmost. |
below | no | The sibling element below, in z-order, or enclosing window object if bottommost. |