HTMLLinkElement-disabled-alternate.html

<!DOCTYPE html>
<html class="reftest-wait">
<title>CSS Test: alternate stylesheets can be disabled by HTMLLinkElement.disabled if they have the disabled attribute already</title>
<link rel="author" title="Emilio Cobos Álvarez" href="mailto:[email protected]">
<link rel="author" title="Mozilla" href="https://mozilla.org">
<link rel="help" href="https://html.spec.whatwg.org/#attr-link-disabled">
<link rel="match" href="HTMLLinkElement-disabled-alternate-ref.html">
<link title="alt" rel="alternate stylesheet" href="data:text/css,html { background: green }" disabled onload="document.documentElement.className = ''">
<script>
  onload = function() {
    const link = document.querySelector("link[rel='alternate stylesheet']");
    link.disabled = false;
  }
</script>

chromium/third_party/blink/web_tests/external/wpt/css/cssom/HTMLLinkElement-disabled-alternate.html