button</button>
    <span id="testspan"></span>
    <input type="text" id="text-input">
    <div id="text-node1">Testing<div style="display:none;">invisible</div><div>text<span>.</span></div></div>
    <div id="text-node2"></div>
    <div id="text-node3" style="display:none;">invisible text node</div>
    <script>
      document.cookie ='jsCookieName1=jsCookieValue1';
      document.cookie ='jsCookieName2=jsCookieValue2';
    </script>
    <iframe src="iframe.htm" name="testiframe"></iframe>

    <span id="