<!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:emilio@crisal.io"> <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>