ARIA and IDs
A focusable element hidden with aria-hidden, a checkbox role without its required state, and an id used twice.
ARIA and IDs
examples/showcase/aria-and-ids.html<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>ARIA and IDs</title>
</head>
<body>
<div aria-hidden="true" tabindex="0">Hidden but focusable</div>
<span role="checkbox" tabindex="0">Remember me</span>
<p id="intro">First paragraph</p>
<p id="intro">Second paragraph, same id</p>
</body>
</html>error 9:3 schema.html5 missing required content at 9:3 error 8:3 assertion.aria.hidden-not-focusable An element with aria-hidden="true" must not also have a tabindex attribute. error 10:3 assertion.ids.duplicate Duplicate ID. error 11:3 assertion.ids.duplicate Duplicate ID. 4 errors, 0 warnings