moveBefore-lang.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/moveBefore-lang.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<body>

  <div lang="en">

    <div id="source">

      <span id="target"><span id="inner">Inner</span>Target</span>

    </div>

  </div>

  <div lang="fr">

    <div id="dest"></div>

  </div>

</body>

<script>

  test(() => {

      assert_true(target.matches(':lang(en)'));

      assert_true(inner.matches(':lang(en)'));

      assert_false(target.matches(':lang(fr)'));

      assert_false(inner.matches(':lang(fr)'));

      dest.moveBefore(target, null);

      assert_false(target.matches(':lang(en)'));

      assert_false(inner.matches(':lang(en)'));

      assert_true(target.matches(':lang(fr)'));

      assert_true(inner.matches(':lang(fr)'));

  }, 'moveBefore() correctly updates the computed lang for moved nodes');

</script>