JS学习之表格的排序简单实例
时间：2021-03-28 09:16:41|栏目：JavaScript代码|点击： 次
JS学习之表格的排序简单实例
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<input id="btn1" type="button" value="排序">
<table id="tab1" width="200" border="1" cellpadding="14">
<thead>
<td>序号</td>
<td>姓名</td>
<td>年龄</td>
</thead>
<tbody>
<tr>
<td>2</td>
<td>张三</td>
<td>20</td>
</tr>
<tr>
<td>4</td>
<td>李四</td>
<td>25</td>
</tr>
<tr>
<td>3</td>
<td>赵龙</td>
<td>30</td>
</tr>
<tr>
<td>1</td>
<td>孙河</td>
<td>21</td>
</tr>
</tbody>
</table>
<script type="text/javascript">
var oTab=document.getElementById('tab1');
var oBtn=document.getElementById('btn1');
oBtn.onclick=function(){
var arr=[]
for(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(i=0;i<arr.length;i++){
oTab.tBodies[0].appendChild(arr[i])
}
}
</script>
</body>
</html>
