F79: Failure of Success Criterion 4.1.2 due to the focus state of a user interface component not being programmatically determinable or no notification of change of focus state available
Corpus WCAG 2.2Applies to WCAG 2.0, 2.1, 2.2Level AAutomatable: partial
Summary: the focus state of a user interface component not being programmatically determinable or no notification of change of focus state available
Why it fails: This page reproduces the F79 failure pattern so auditors can verify detection against 4.1.2.
Failure technique
Understanding
Quickref
Click the button — visual state changes but no programmatic focus or expanded state is exposed.
Intentional failure — audit this region
F79
<button type="button" id="f79-btn" class="f79-btn">Options</button>Expected audit result
- 4.1.2: fail — Specimen demonstrates failure of 4.1.2.
Manual check: Confirm the specimen demonstrates the documented F79 failure in isolation.