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Test Info: Warnings
- This test gets skipped with pattern: os == 'linux' && os_version == '24.04' && arch == 'x86_64' && debug && verify-standalone
- Manifest: dom/base/test/mochitest.toml
<!DOCTYPE HTML>
<html>
<!--
-->
<head>
  <script src="/tests/SimpleTest/SimpleTest.js"></script>
  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
</head>
<body>
<script class="testbody" type="text/javascript">
SimpleTest.waitForExplicitFinish();
function observeTest(mutationsList) {
  for (let mutation of mutationsList) {
    for (let n of mutation.addedNodes) {
      if (n.id === 'content') {
        is(n.innerHTML.trim(), "<script><\/script>", "Comment should not have been observed.");
        SimpleTest.finish();
      }
    }
  }
}
var observer = new MutationObserver(observeTest);
observer.observe(document.body, { childList: true, subtree: true });
</script>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1784187">Mozilla Bug 1784187</a>
<p id="display"></p>
<div id="content" style="display: none">
  <script></script>
  <!-- Test comment that shouldn't be observed -->
</div>
</body>
</html>