appendChild-document.html

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This WPT test may be referenced by the following Test IDs:
- /dom/crashtests/appendChild-document.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset="utf-8">

<title>appendChild between documents should not crash</title>

<link rel="help" href="https://crbug.com/40573841">

<span id="e1"></span>

<span id="e2">

  <span id="e3"></span>

</span>

<script>

  var e1 = document.getElementById("e1");

  var e2 = document.getElementById("e2");

  var e3 = document.getElementById("e3");

  var doc1 = document.implementation.createDocument("", "", null);

  doc1.appendChild(e2);

  e2.addEventListener(

      "DOMSubtreeModified", () => {e1.appendChild(e3)}, {once: true});

  e2.appendChild(e3);

</script>