axe-core/test/integration/rules/aria-required-attr/required-attr.html

Accessibility engine for automated Web UI testing

<div role="scrollbar" id="pass1" aria-controls="value" aria-orientation="value" aria-valuenow="value" aria-valuemax="value" aria-valuemin="value">ok</div>
<div role="slider" id="pass2" aria-valuenow="value" aria-valuemax="value" aria-valuemin="value">ok</div>
<div role="spinbutton" id="pass3" aria-valuenow="value" aria-valuemax="value" aria-valuemin="value">ok</div>
<div role="heading" id="pass4" aria-level="1">ok</div>

<div role="scrollbar" id="violation1">fail</div>
<div role="slider" id="violation2">fail</div>
<div role="spinbutton" id="violation3">fail</div>
<div role="heading" id="violation4">fail</div>