Change of focus notified

Core requirement

When the focus changes on-focus or automatically, the user is notified visually and programmatically.

Procedure

For each instance of focus being changed by the content:

Check that the change is conveyed visually and programmatically using the assistive technology in the accessibility support set.

Expected results

accessibility support set: group of user agents and assistive technologies you test with

The AGWG is considering defining a default set of user agents and assistive technologies that they use when validating guidelines.
Accessibility support sets may vary based on language, region, or situation.
If you are not using the default accessibility set, the conformance report should indicate what set is being used.
accessibility supported: available and working in the user agents and assistive technology in the accessibility support set

The working group intended to include a default accessibility support set. See Default accessibility support set #277.
programmatically determinable: meaning of the content and all its important attributes can be determined by software functionality that is accessibility supported