| <!doctype html> |
| <title>Adoption doesn't mess with mapped attributes</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://bugzilla.mozilla.org/show_bug.cgi?id=1636516"> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <div hidden="unlikely">Should be hidden</div> |
| <script> |
| test(function() { |
| var tmpl = document.createElement("template"); |
| var fragment = tmpl.content; |
| var newEl = document.createElement("div"); |
| newEl.setAttribute("hidden", "unlikely"); |
| fragment.append(newEl); |
| document.adoptNode(newEl); |
| assert_equals( |
| getComputedStyle(document.querySelector("div")).display, |
| "none", |
| "hidden attribute should have an effect" |
| ); |
| }, "Adoption of an unrelated node shouldn't prevent mapped attributes from applying"); |
| </script> |