JavaScript实现简单的购物车代码实例

css

<style>
  table{
   text-align: center;

  }
  table img{
   width: 50px;
  }
 a {
  text-decoration: none;
  color: red;
}
 </style>

body

<table border="1" cellspacing="0">
  <thead>
  <tr>
   <th>全选 <input type="checkbox" id="ckAll"/></th>
   <th>商品</th>
   <th>单价</th>
   <th>数量</th>
   <th>操作</th>
  </tr>
  </thead>
  <tbody>
   <tr>
    <td><input type="checkbox" name="ck"/></td>
    <td>![](../img2/1.png)</td>
    <td>3</td>
    <td><input type="number" max="10" min="0" step="1" value="2"/></td>
    <td><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a></td>
   </tr>
   <tr><td><input type="checkbox" name="ck"/></td>
    <td>![](../img2/2.png)</td>
    <td>3</td>
    <td><input type="number" max="10" min="0" step="1" value="3"/></td>
    <td><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a></td>


   </tr>
   <tr><td><input type="checkbox" name="ck"/></td>
    <td>![](../img2/3.png)</td>
    <td>3</td>
    <td><input type="number" max="10" min="0" step="1" value="1"/></td>
    <td><a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="del">删除</a></td>


   </tr></tbody>
  <tfoot>
  <tr>
   <td colspan="3" align="right">总价:</td>
   <td colspan="2"></td>
  </tr>
  </tfoot>

 </table>
 <a href="javascript:void(0);" rel="external nofollow" rel="external nofollow" rel="external nofollow" rel="external nofollow" class="dels">删除选中项</a>

js

效果图

这个购物车是在学习js时做的,比较简单,但基本功能还是有的:

1. 可以全选,单个选择.

2. 可以单个的删除,删除选中项.

3. 总计可以根据数量的变化而变化.

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