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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"/>
<title>Dynamic id and style</title>
<link rel="help" href="https://w3c.github.io/mathml-core/#dom-and-javascript"/>
<link rel="match" href="dynamic-2-ref.html"/>
<meta name="assert" content="Verify dynamic change of id and style attributes.">
<style>
#fail, #fail2 { background: red; color: white; }
#pass { background: green; color: white; }
</style>
<script>
window.addEventListener("DOMContentLoaded", function() {
document.getElementById("fail2").setAttribute("id", "pass");
document.getElementById("fail").setAttribute("style", "display: none");
});
</script>
</head>
<body>
<p>Test passes if you see the text "PASS".</p>
<math>
<mtext id="fail">FAIL</mtext>
<mtext id="fail2">PASS</mtext>
</math>
</body>
</html>
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