F77: Failure of Success Criterion 4.1.1 due to duplicate values of type ID
Corpus WCAG 2.2Applies to WCAG 2.0, 2.1Level AAutomatable: partialObsolete
Summary: duplicate values of type ID
Why it fails: This page reproduces the F77 failure pattern so auditors can verify detection against 4.1.1.
Failure technique
Understanding
Quickref
Intentional failure — audit this region
F77
<label for="f77-dup">First field</label>
<input type="text" id="f77-dup" name="field-a">
<label for="f77-dup">Second field</label>
<input type="text" id="f77-dup" name="field-b">Expected audit result
- 4.1.1: fail — Specimen demonstrates failure of 4.1.1.
Manual check: Confirm the specimen demonstrates the documented F77 failure in isolation.