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<!doctype html>
<title>&lt;link disabled&gt;'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">
<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>