<%@ page language="java" contentType="text/html; charset=EUC-KR"
pageEncoding="EUC-KR"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=EUC-KR">
<title>Insert title here</title>
<script>
function sub(){
var sss = form.sss;
var conf= false;
for(i=0;i<sss.length;i++){
if(sss[i].checked == true){
conf=true;
//이런식으로 체크가 되었는지 안되었는지로 확인해야 한다.
//value값으로 확인이 불가하다.
}
}
if(conf == false){
alert("안돼");
}
}
</script>
</head>
<body>
<form name="form">
<table border="1">
<tr>
<td>
<input type="checkbox" name="sss">1
<input type="checkbox" name="sss">2
<input type="checkbox" name="sss">3
</td>
</tr>
<tr>
<td><input type="button" value="check" onClick='sub();'>
</td>
</tr>
</table>
</form>
</body>
</html>
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