<!DOCTYPE HTML> <html> <head> <meta charset="utf-8"> <title>无标题文档</title> <script> window.onload=function () { var oTab=document.getElementById('tab1'); var oBtn=document.getElementById('btn1'); oBtn.onclick=function () { var arr=[]; //排序的对象放入数组中 for(var i=0;i<oTab.tBodies[0].rows.length;i++) { arr[i]=oTab.tBodies[0].rows[i]; } //给数组排序 arr.sort(function (tr1, tr2){ var n1=parseInt(tr1.cells[0].innerHTML); //获得id号 var n2=parseInt(tr2.cells[0].innerHTML); return n1-n2; }); for(var i=0;i<arr.length;i++) { oTab.tBodies[0].appendChild(arr[i]); //将排好顺序的数组添加到tbody中 } }; }; </script> </head> <body> <input id="btn1" type="button" value="排序" /> <table id="tab1" border="1" width="500"> <thead> <td>ID</td> <td>姓名</td> <td>年龄</td> <td>操作</td> </thead> <tbody> <tr> <td>2</td> <td>张三</td> <td>23</td> <td></td> </tr> <tr> <td>6</td> <td>王四</td> <td>24</td> <td></td> </tr> <tr> <td>1</td> <td>Blue</td> <td>27</td> <td></td> </tr> <tr> <td>5</td> <td>张伟</td> <td>24</td> <td></td> </tr> <tr> <td>3</td> <td>李四</td> <td>28</td> <td></td> </tr> <tr> <td>4</td> <td>王五</td> <td>25</td> <td></td> </tr> </tbody> </table> </body> </html>