OpenA11y Evaluation Library

Role must have parent

Rule ID Widget 8
Conformance Required
Definition Role must have a required parent role using the HTML DOM structure or the aria-owns attribute.
Purpose
  • ARIA roles, properties and states describes the features of interactive widgets to users of assistive technologies, especially screen reader users.
  • Roles that are associated with container widgets have important parent/child relationships with other roles.
  • Parent/child relationships are used by assistive technologies for computing the number of items owned by a container and the position of an item (e.g. "third of five links").
  • Container roles are also used by assistive technologies to provide enhanced navigation features for moving between items in lists, tables, grids and treegrids.
Conformance Required
WCAG Success Criteria

Success Criterion 4.1.2 Name, Role, Value

Other Related Success Criterion:

Rule Category ARIA Widgets
Rule Scope Element
First Step no
Techniques
  • Parent roles can be defined using the HTML DOM structure or the aria-owns attribute.
  • Required parent role is a DOM ancestor of the element.
  • Required parent role references the element using the aria-owns attribute.
  • 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.
Information Links