<!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>
