为什么没有弹出确认框
<!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=utf-8" />
<title>我们互动下</title>
<script type="text/javascrpt">
function ci(){
var mess=confirm{
if(mess==true){
document.write("关注js")
}
}
}
</script>
</head>
<body>
<p id="co">进阶篇</p>
<form>
<input type="button" onclick="ci()" value="点击进入">
</form>
</body>
</html>
