日期:2014-05-16 浏览次数:20493 次
<form> 性别 <input type="radio" name="sex"> 男 <input type="radio" name="sex"> 女 爱好 <input type="radio" name="enjoy">看书 <input type="radio" name="enjoy">逛街 <input type="radio" name="enjoy">运动 政治面貌 <input type="radio" name="zhengzhi">团员 <input type="radio" name="zhengzhi">党员 <input type="submit" value="提交"> </form>
function toSubmit()
{
var s=true;
$(":radio").each(function(){
var radio = $(this).attr("name");
if($(":radio[name='"+radio+"']").attr("checked")==false)
{
s=false;
}
})
if(s==false)
{
alert("所有项为必填!");
}
return s;
<!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>
<title>无标题页</title>
<script type="text/javascript" src="../script/jquery-1.7.js"></script>
<script type="text/javascript">
window.onload=function(){
$("#b1").click(function(){
alert($(":radio:checked").length);
});
};
</script></head>
<body>
<input type="radio" name="sex"> 男
<input type="radio" name="sex"> 女
爱好
<input type="radio" name="enjoy">看书
<input type="radio" name="enjoy">逛街
<input type="radio" name="enjoy">运动
政治面貌
<input type="radio" name="zhengzhi">团员
<input type="radio" name="zhengzhi">党员
<input type="button" id="b1" value="click me" />
</body>
</html>
------解决方案--------------------
<!doctype html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Test</title>
<script src="jquery-1.4.2.js"></script>
</head>
<body>
<form>
性别:
<input type="radio" name="sex">
男
<input type="radio" name="sex">
女<br />
爱好:
<input type="radio" name="enjoy">看书
<input type="radio" name="enjoy">逛街
<input type="radio" name="enjoy">运动<br />
政治面貌:
<input type="radio" name="zhengzhi">团员
<input type="radio" name="zhengzhi">党员<br />
<input type="submit" value="提交">
</form>
<script>
function toSubmit() {
var count = 0;
$("input[type=radio]:checked").each(function () {
count++;
});
if (count != 3) {
alert("所有项为必填!");
}
}
$(":submit").click(toSubmit);
&