<!doctype html> <title><link disabled>'s "explicitly enabled" state doesn't persist for clones</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"> <script src="/resources/testharness.js"></script> <script src="/resources/testharnessreport.js"></script> <link title="alt" rel="alternate stylesheet" disabled href="data:text/css,html { background: green }"> <script> function assert_applies(applies) { (applies ? assert_equals : assert_not_equals)(getComputedStyle(document.documentElement).backgroundColor, "rgb(0, 128, 0)"); } const link = document.querySelector("link[disabled]"); async_test(function(t) { link.remove(); link.disabled = false; // `link` is explicitly enabled. let clonesLoaded = 0; for (let shallow of [true, false]) { const clone = link.cloneNode(shallow); clone.onload = t.step_func(function() { assert_false(link.disabled); // Even though it's not disabled, it still doesn't apply, since it's an alternate. assert_applies(false); if (++clonesLoaded == 2) { link.onload = t.step_func_done(function() { assert_false(link.disabled); assert_applies(true); // `link` is still explicitly enabled. }); document.head.appendChild(link); } }); document.head.appendChild(clone); } }, "HTMLLinkElement.disabled's explicitly enabled state doesn't persist on clones"); </script>