 at http://polymer.github.io/PATENTS.txt
-->
<!--
Test setup borrowed from Code for Hire's research into this subject:
http://codeforhire.com/2013/09/21/setimmediate-and-messagechannel-broken-on-internet-explorer-10/
-->
<html>
<head>
  <title>MutationObserver</title>
  <script src="../src/WeakMap/WeakMap.js"></script>
  <script src="../src/MutationObserver/MutationObserver.js"></script>
</head>
<body style="font-family: sans-serif">

<h3>MutationObserver test page</h3>

<p>Clicking start will schedule two 