<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://libs.baidu.com/jquery/1.11.3/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
alert( ? );
})
</script>
</head>
<body>
<input type="checkbox" />
<input type="checkbox" checked/>
<input type="checkbox" checked/>
<input type="checkbox" />
<input type="checkbox" checked/>
<hr>
<input type="checkbox" checked/>
<input type="checkbox" checked/>
<input type="checkbox" />
</body>
</html>请问 该怎么写 ?
添加回答
举报
0/150
提交
取消