查找表格最后一列，并且添加删除和修改按钮 

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<script src="../javascript/jquery-1.11.1.min.js"></script>
<body>
<table height="70" width="700" border="1px">
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
    <tr>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td>1</td>
        <td></td>
    </tr>
</table>
<script>
    var str=$();
    $('table tr').each(function(i,q){
        var item=$(q).find('td:last');
        str=str.add(item);
    });
    str.append('<button>删除</button><button>修改</button>')
</script>
</body>
</html>
posted @ 2017-06-28 16:28  风的味道真好闻  阅读(519)  评论(0)  编辑  收藏  举报