<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>js操作单选按钮跟复选框</title>
<script language="javascript" type="text/javascript">
function show(){
var sex;
if(document.myform.sex[0].
checked){
sex=document.myform.sex[0].value;
}else{
sex=document.myform.sex[1].value;
}
alert("性别:"+sex);
var interest="";
for(i=0;i<document.myform.inst.length;i++){
if(document.myform.inst[i].checked){
interest+=document.myform.inst[i].value+"---";
}
}
alert("兴趣:"+interest);
}
</script>
</head>
<body>
<form action="" method="post" name="myform">
性别:<input type="radio" name="sex" value="男" checked="checked" />男
<input type="radio" name="sex" value="女" />女<br />
兴趣:<input type="
checkbox" name="inst" value="sing" />唱歌
<input type="checkbox" name="inst" value="dance" />跳舞
<input type="checkbox" name="inst" value="read" />阅读
<input type="checkbox" name="inst" value="sleep" />睡觉<br />
<input type="button" value="显示" onclick="show()" />
</form>
</body>
</html>