Node-childNodes-cache-2.html

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This WPT test may be referenced by the following Test IDs:
- /dom/nodes/Node-childNodes-cache-2.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<meta charset=utf-8>

<title>Node.childNodes caching bug with replaceChild</title>

<link rel=help href="https://dom.spec.whatwg.org/#dom-node-childnodes">

<link rel=author title="Xiaocheng Hu" href="mailto:xiaochengh.work@gmail.com">

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

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

<div id="target"><div id="first"></div><div id="second"></div><div id="third"></div><div id="last"></div></div>

<script>

test(function() {

  let target = document.getElementById("target");

  assert_array_equals(Array.from(target.childNodes).map(node => node.id), ["first", "second", "third", "last"]);

  target.replaceChild(target.childNodes[2], target.childNodes[1]);

  assert_array_equals(Array.from(target.childNodes).map(node => node.id), ["first", "third", "last"]);

});

</script>