js 对商品价格进行排序

浏览数：26 / 时间：2015年06月09日

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<!DOCTYPE HTML>
<html lang="zh-cn">
<head>
<meta charset="utf-8" 
/>
<meta http-equiv="Content-Language" 
content="zh-cn" 
/>
<title>对商品按价格进行排序</title>
<meta name="keywords" 
content="" 
/>
<meta name="description" 
content="" 
/>
<style type="text/css">
*{
    margin: 0px; padding: 0px; font-size:14px; font-family:‘微软雅黑‘; font-size:12px;
}
.clearfix:after{content:‘.‘;display:block;height:0;clear:both;visibility:hidden}
.clearfix{display:inline-block;}
* html .clearfix{height:1%}
.clearfix{display:black;}
ul li{
  list-style:none;
}
</style>
</head>
<body>
<script type="text/javascript">
window.onload = function(){
   var 
oBtnT = document.getElementById(‘btn1‘);
   var 
oBtnB = document.getElementById(‘btn2‘);
   var 
oTab = document.getElementById(‘tab1‘);
   var 
arr = [];
   var 
oTr = oTab.tBodies[0].rows;
   oBtnT.onclick = function(){
      tab();
      for(var 
i=0;i<arr.length;i++){
          //alert(arr[i].cells[1].innerHTML);
          oTab.tBodies[0].appendChild(arr[i]);
      }
   };
   oBtnB.onclick = function(){
      tab();
      for(var 
i=0;i<arr.length;i++){
          //alert(arr[i].cells[1].innerHTML);
          oTab.tBodies[0].insertBefore(arr[i],oTr[0]);
      }
   };
   function tab(){
      for(var 
i=0;i<oTr.length;i++){
        arr[i] = oTr[i]; 
      }
      arr.sort(function(t1,t2){
        var 
n1 = parseInt(t1.cells[3].innerHTML);
        var 
n2 = parseInt(t2.cells[3].innerHTML);
        return 
n1-n2;
      });
   };
}
</script>
<input type=‘button‘ 
id=‘btn1‘ 
value=‘价格↑‘> 
<input type=‘button‘ 
id=‘btn2‘ 
value=‘价格↓‘> 
<table id=‘tab1‘  
width=‘400‘>
   <thead>
      <td>ID</td>
      <td>姓名</td>
      <td>年龄</td>    
      <td>价格</td>     
   </thead>
   <tbody>
      <tr>
        <td>1</td>
        <td>黑哥</td>
        <td>22</td>
        <td>5</td>
      </tr> 
      <tr>
        <td>2</td>
        <td>宇哥</td>
        <td>24</td>
        <td>8</td>
      </tr>
      <tr>
        <td>3</td>
        <td>荡哥</td>
        <td>26</td>
        <td>11</td>
      </tr>
      <tr>
        <td>4</td>
        <td>二哥</td>
        <td>22</td>
        <td>9</td>
      </tr>
      <tr>
        <td>5</td>
        <td>段少</td>
        <td>22</td>
        <td>2</td>
      </tr>
      <tr>
        <td>6</td>
        <td>老群主</td>
        <td>22</td>
        <td>30</td>
      </tr>
      <tr>
        <td>6</td>
        <td>牛儿</td>
        <td>22</td>
        <td>31</td>
      </tr>
   </tbody>
</table>
</body>
</html>