<div id="page"> <div id="head"><h1> DOM und unescape() </h1></div> <div id="nav">...</div> <div id="content">...</div> </div>
<form action="#"> <textarea id="TA0" cols="90" rows="30"> <!-- 1 --> </textarea> </form>
<script> var o1 = document.getElementById("TA0"), o2 = document.getElementsByTagName("textarea")[0], o3 = document.forms[0].elements[0], s = [(o1===o2), (o2===o3), (o3===o1)].join(", "); alert(s); </script>