Widgets must have child roles

Definition	Widgets must have required child roles.
Purpose	ARIA roles, properties and states describes the features of interactive widgets to users of assistive technologies, especially screen reader users.
Mappings	HTML4 Legacy Techniques (Required) HTML5 and ARIA Techniques (Required)
WCAG 2.0 Success Criteria	4.1.2 Name, Role, Value (Level A, Primary Success Criterion) Other Related Success Criterion: 1.3.1 Info and Relationships (Level A) 3.3.2 Labels or Instructions (Level A)
Rule Category	Widgets/Scripting
Scope	Element
Target Resources	Widgets with required owned elements `[role]`
Techniques	Use required ARIA owned elements to describe the features and options of a widget.
Informational Links	Accessible Rich Internet Applications (WAI-ARIA) 1.0 Specification: Widget Roles G108: Using markup features to expose the name and role, allow user-settable properties to be directly set, and provide notification of changes ARIA4: Using a WAI-ARIA role to expose the role of a user interface component OAA Web Accessibility ARIA Examples Accessible jQuery-ui Components Demonstration