mapped-attribute-adopt-001.html

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /html/dom/elements/global-attributes/mapped-attribute-adopt-001.html - WPT Dashboard Interop Dashboard

<!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>