| <!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> |
