<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>