87,996
社区成员




<!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 language="javascript" type="text/javascript">
function checkSex(){
var sex = document.getElementsByName("rdoSex");
for(var i in sex){alert(i);
if(sex[i].checked == true){
return true;
}
}
/*for(var i=0;i<sex.length;i++){alert(sex[i].checked)
if(sex[i].checked == true){
return true;
}
}*/
alert("请选择性别");
return false;
}
</script>
</head>
<body>
<form action="" method="post" onsubmit="return checkSex()">
<input name="rdoSex" type="radio" value="" />
<input name="rdoSex" type="radio" value="" /><br/>
<input name="" type="submit" />
</form>
</body>
</html>
function isArray(o) {
return Object.prototype.toString.call(o) === '[object Array]';
}
var sex = document.getElementsByName("rdoSex");
<!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 language="javascript" type="text/javascript">
function checkSex(){
var sex = document.getElementsByName("rdoSex");
for(var i=0;i<sex.length;i++)
{
alert(i);
if(sex[i].checked == true){
return true;
}
}
}
</script>
</head>
<body>
<form action="" method="post" onsubmit="checkSex()">
<input name="rdoSex" type="radio" value="男" />男
<input name="rdoSex" type="radio" value="女" />女<br/>
<input name="" type="submit" />
</form>
</body>
</html>
<script language="javascript" type="text/javascript">
function checkSex(){
var sex = document.getElementsByName("rdoSex");
var obj=[];
for(var i=0;i<sex.length;i++)obj.push(sex[i]);
for(var i in obj){alert(i);
if(obj[i].checked == true){
return true;
}
}
/*for(var i=0;i<sex.length;i++){alert(sex[i].checked)
if(sex[i].checked == true){
return true;
}
}*/
alert(" 宣b性+R");
return false;
}
</script>