<html>
<body>
<p><del id="myDel" cite="why_deleted.htm">这个文本已经本删除</del></p>
<p>点击按钮修改删除文本的cite属性值。</p>
<p id="demo"></p>
<button onclick="myFunction()">点我</button>
<script>
function myFunction()
{
document.getElementById("myDel").cite="http://www.example.com/whywedeletedsometext";
document.getElementById("demo").innerHTML="cite 属性被修改为 'www.example.com/whywedeletedsometext.htm'.";
}
</script>
</body>
</html>