F85: Failure of Success Criterion 2.4.3 due to using dialogs or menus that are not adjacent to their trigger control in the sequential navigation order
Corpus WCAG 2.2Applies to WCAG 2.0, 2.1, 2.2Level AAutomatable: partial
Summary: using dialogs or menus that are not adjacent to their trigger control in the sequential navigation order
Why it fails: This page reproduces the F85 failure pattern so auditors can verify detection against 2.4.3.
Failure technique
Understanding
Quickref
Open the menu, then Tab — the menu is not adjacent to its trigger in sequential focus order.
Intentional failure — audit this region
F85
Other page content between trigger and menu.
<button type="button" id="f85-menu-btn" aria-haspopup="true">Open menu</button>
<p>Other page content between trigger and menu.</p>
<input type="text" name="filter" aria-label="Filter">
<ul id="f85-menu" class="f85-menu" role="menu" hidden>
<li role="menuitem"><button type="button">Copy</button></li>
<li role="menuitem"><button type="button">Paste</button></li>
</ul>Expected audit result
- 2.4.3: fail — Specimen demonstrates failure of 2.4.3.
Manual check: Confirm the specimen demonstrates the documented F85 failure in isolation.