<!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></title>
<script src="Scripts/jquery-1.4.1.js"
type="text/javascript"></script>
<script type
="text/javascript" >
$(function() {
$("input[name=names]").click(function() {
var ary = new
Array();
$("input[name=names]:checked").each(function(key,
value) { ary[key] = $(value).val(); });
$("#msgtxt").text("共选中" + ary.length + "项" + ary.join(","));
});
});
</script>
</head>
<body>
<input type ="checkbox"
name ="names" value ="tom" />tom
<input type ="checkbox" name ="names"
value ="jack"/>jack
<input type ="checkbox" name ="names" value
="marry"/>marry
<p id
="msgtxt"></p>
</body>
</html>
原文：http://www.cnblogs.com/sumg/p/3742745.html