Only one owner

Rule ID Widget 9
Definition Elements must be owned by only one widget.
  • ARIA container elements have require child elements.
  • When the HTML DOM parent/child relationships do not identify the child elements the aria-owns attribute can be used to reference the child elements.
  • A child element can only be referenced using aria-owns by one container element.
Required Yes for HTML5 and ARIA Techniques ruleset mapping
WCAG Success Criteria

4.1.2 Name, Role, Value (Level A, Primary Success Criterion)

Rule Category Widgets/Scripting
Scope Element
Target Resources Widgets with required parent roles
  • [aria-owns]
  • Container elements using aria-owns attribute must accurately reference the associated child elements.
  • A child element can only be referenced by one container element using the aria-owns attribute.
  • Update the application to use the DOM parent/child relationships instead of using aria-owns technique.
  • NOTE: HTML DOM parent/child relationships for defining relationships is preferred over the use of aria-owns attribute, since it is less likely to result in authoring errors associated with creating and referencing elements with unique ids.
Informational Links