MutationObserver-xml-parser.xhtml

Enable keyboard shortcuts

This WPT test may be referenced by the following Test IDs:
- /dom/nodes/MutationObserver-xml-parser.xhtml - WPT Dashboard Interop Dashboard

<?xml version="1.0" encoding="utf-8"?>

<html xmlns="http://www.w3.org/1999/xhtml">

<head>

<title>MutationObserver: records for XML parser insertions</title>

<link rel="help" href="https://dom.spec.whatwg.org/#queue-a-tree-mutation-record"/>

<link rel="help" href="https://html.spec.whatwg.org/#parsing-xhtml-documents"/>

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

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

<script src="mutationobservers.js"></script>

</head>

<body>

<div id="log"></div>

<script id="s1"><![CDATA[

  const records = [];

  const observer = new MutationObserver(list => records.push(...list));

  observer.observe(document, {childList: true, subtree: true});

]]></script><div id="a"><p id="b"><span id="c">text</span></p></div><script id="s2"><![CDATA[

  test(() => {

    records.push(...observer.takeRecords());

    observer.disconnect();

    const s1 = document.getElementById("s1");

    const s2 = document.getElementById("s2");

    const a = document.getElementById("a");

    const b = document.getElementById("b");

    const c = document.getElementById("c");

    checkRecords(document, records, [

      {type: "childList", target: document.body, addedNodes: [a],

       previousSibling: s1},

      {type: "childList", target: a, addedNodes: [b]},

      {type: "childList", target: b, addedNodes: [c]},

      {type: "childList", target: c, addedNodes: [c.firstChild]},

      {type: "childList", target: document.body, addedNodes: [s2],

       previousSibling: a},

      {type: "childList", target: s2, addedNodes: [s2.firstChild]},

]);

  }, "XML parser queues a mutation record for each inserted node");

]]></script>

</body>

</html>