mutation-events.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /dom/nodes/moveBefore/tentative/mutation-events.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<title>Mutation events are suppressed during moveBefore()</title>

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

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

<body>

<p id=reference>reference</p>

<p id=target>target</p>

<script>

  const reference = document.querySelector('#reference');

  const target = document.querySelector('#target');

  test(() => {

    target.addEventListener('DOMNodeInserted', () => assert_unreached('DOMNodeInserted not called'));

    target.addEventListener('DOMNodeRemoved', () => assert_unreached('DOMNodeRemoved not called'));

    document.body.moveBefore(target, reference);

  }, "MutationEvents (if supported by the UA) are suppressed during `moveBefore()`");

</script>

</body>