Member
Used within a rule's conditions element to match elements that are containers or are contained within another element. Both the container and child attributes may use variables.
Attributes:
Inherited from XUL Element:
Properties and Methods:
child
A variable reference to a node that is expected to be a child of the element that is referred to by the container element.
container
A variable reference to a node that is expected to be a container. If the variable is the same as the uri attribute on the content element, the resource must be a container element in order to match.
Inherited from XUL Element:
Inherited from Element: