简单的排序功能
HTML代码：
<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>4</td>
<td>张三</td>
<td>25</td>
<td></td>
</tr>
<tr>
<td>2</td>
<td>李四</td>
<td>26</td>
<td>删除</td>
</tr>
<tr>
<td>5</td>
<td>王四</td>
<td>30</td>
<td></td>
</tr>
<tr>
<td>1</td>
<td>刘三</td>
<td>20</td>
<td></td>
</tr>
<tr>
<td>31</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>68</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>32</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>75</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>45</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>63</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>89</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
<tr>
<td>52</td>
<td>赵六</td>
<td>26</td>
<td></td>
</tr>
</tbody>
</table>
</body>
js代码
<script>
window.onload=function()
{
var oTab=document.getElementById('tab1');
var oBtn=document.getElementById('btn1'); oBtn.onclick=function()
{
var arr=[]; for(var i=0;i<oTab.tBodies[0].rows.length;i++)
{
arr[i]=oTab.tBodies[0].rows[i];
}
arr.sort(function(tr1,tr2){
var n1=parseInt(tr1.cells[0].innerHTML);
var n2=parseInt(tr2.cells[0].innerHTML); return n1-n2;
})
for(var i=0;i<arr.length;i++)
{
oTab.tBodies[0].appendChild(arr[i]);
}
};
};
</script>
运行以上代码 之前的效果图
运行后的效果
