转： js获取table里所有checkbox元素

 

无标题文档

 

1、获取所有checkbox里的值

1
2
3

 

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function get()
{
var c=document.getElementById("ctable").getElementsByTagName("input");
for(var i=0;i<c.length;i++){ 
if(c[i].type=="checkbox"){ alert(c[i].value); } 
}
}
</script>
</head>

<body>

<table id="ctable">
    <tbody>
        <tr>
            <td>
                <input id="c1" type="checkbox" name="c1"  value="1" / />1
            </td>
        </tr>
        <tr>
            <td>
                <input id="c2" type="checkbox" name="c2"  value="2"  />2
            </td>
        </tr>
        <tr>
            <td>
                <input id="c3" type="checkbox" name="c3" value="3" />3
            </td>
        </tr>
    </tbody>
</table><p> </p>
<input type="button"   onclick="get()" value="提交" />
</body>
</html>

 

 

 

2、获取选中的checkbox的值

 

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>无标题文档</title>
<script>
function get()
{
var c=document.getElementById("ctable").getElementsByTagName("input");
for(var i=0;i<c.length;i++){ 
if(c[i].type=="checkbox"&&c[i].checked){ alert(c[i].value); } 
}
}
</script>
</head>

<body>

<table id="ctable">
    <tbody>
        <tr>
            <td>
                <input id="c1" type="checkbox" name="c1"  value="1" / />1
            </td>
        </tr>
        <tr>
            <td>
                <input id="c2" type="checkbox" name="c2"  value="2"  />2
            </td>
        </tr>
        <tr>
            <td>
                <input id="c3" type="checkbox" name="c3" value="3" />3
            </td>
        </tr>
    </tbody>
</table><p>&nbsp;</p>
<input type="button"   onclick="get()" value="提交" />
</body>
</html>

 

转载自：http://blog.csdn.net/nk12386/article/details/7054122

posted on 2012-06-06 11:13  lei0515  阅读(1125)  评论(0)    收藏  举报

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