Certain ARIA roles must contain particular children
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There are some ARIA parent
roles that must contain specific child
roles to perform their intended accessibility function.
The Algorithm, in Simple Terms
Checks all elements that contain a WAI-ARIA role to ensure that all required children roles are present.
Why this is Important
For each role, WAI-ARIA explicitly defines which child and parent roles are allowable and/or required. ARIA
roles missing required child
roles will not be able to perform the accessibility functions intended by the developer.
How to Fix the Problem
Ensure all ARIA roles have their required children elements, if any.
- HTML 4