javascript获取所有同类checkbox选项(实例代码)
<!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=gb2312" />
<title>无标题文档</title>
<script type="text/javascript">
function getChecked() {
alert(document.getElementsByName("id").length);
var owner=document.getElementsByName("id").item;
for (i = 0; i < document.getElementsByName("id").length; i++) {
if(document.getElementsByName("id")[i].checked){
alert(document.getElementsByName("id")[i].value);
}
}
}
</script>
</head>
<body>
<input type="checkbox" name="id" class="cbox" value="1" checked="checked"/>
<input type="checkbox" name="id" class="cbox" value="2" />
<input type="checkbox" name="id" class="cbox" value="3" />
<input type="checkbox" name="id" class="cbox" value="4" />
<input type="button" onclick="getChecked()" value="差卡巴"/>
</body>
</html>
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