简单问题,解决马上给分!!!

<HTML>
<HEAD></HEAD>
<BODY>
<script language=javaScript>
    var kdiv = document.createElement('div'); 
    kdiv.id = "kkk";
    strHTML = "aaa";
document.body.appendChild(kdiv);
    document.getElementById(kdiv.id).innerHTML = strHTML;
</script>
</BODY>
</HTML>