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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /css/selectors/invalidation/lang-pseudo-class-in-has-multiple-document-elements.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html lang="fr" class="reftest-wait">
<link rel="author" title="Ryosuke Niwa" href="mailto:rniwa@webkit.org"/>
<link rel="match" href="../../reference/ref-filled-green-100px-square.xht">
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div><span></span></div>
<script>
const test = document.querySelector('div').matches('*:has(:lang(fr))') ? 'PASS' : 'FAIL';
const newDocumentElement = document.createElement('html');
newDocumentElement.lang = 'en';
document.replaceChild(newDocumentElement, document.documentElement);
document.documentElement.innerHTML = `
<head>
<style>
div { width: 100px; height: 100px; }
div:has(*:lang(fr)) { background: red; }
div:has(*:lang(en)) { background: green; }
span.pass { color: green; }
span.fail { color: red; }
</style>
</head>
<body>
<p>Test passes if there is a filled green square and <strong>no red</strong>.</p>
<div><span class="${test.toLowerCase()}">${test}</span></div>
</body>`;
</script>
</body>
</html>