<html><body><p><del id="myDel" cite="why_deleted.htm">这段文字已被删除。</del></p><p>单击该按钮可更改已删除文本的 cite 属性的值。</p><button onclick="myFunction()">试一试</button><p id="demo"></p><script>function myFunction() { document.getElementById("myDel").cite = "http://www.example.com/whywedeletedsometext"; document.getElementById("demo").innerHTML = "cite 属性的值已更改为 “www.example.com/whywedeletedsometext.htm”。";}</script></body></html>