focus-pseudo-on-shadow-host-3.html

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This WPT test may be referenced by the following Test IDs:
- /shadow-dom/focus/focus-pseudo-on-shadow-host-3.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<meta name="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org">

<meta name="assert" content=":focus should not match a shadow host if the focused element is a slotted content">

<link rel="help" href="https://html.spec.whatwg.org/#element-has-the-focus">

<link rel="help=" href="https://bugs.webkit.org/show_bug.cgi?id=202432">

<link rel="match" href="/css/reference/ref-filled-green-100px-square.xht">

</head>

<body>

<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>

<div id="host"><div id="target" tabindex="0"></div></div>

<style>

#host { background: green; width: 100px; height: 100px; }

#host:focus #target { background: red; width: 100px; height: 100px; }

#target { outline: none; }

</style>

<script>

const shadowRoot = host.attachShadow({mode: 'closed'});

shadowRoot.innerHTML = '<slot></slot>';

target.focus();

</script>

</body>

</html>