<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>close()</title>
<script type="text/javascript">
function a(){
var m=window.open('http://www.baidu.com','_blank','width=200,height=200');
var b=confirm("做好准备进入神秘旅途了吗");
if(b==true){
var c =prompt("请输入正确指令","");
if(c==123){
alert("welcome");
}
else{
alert("口令不对，禁止进入");
m.close();
}
}
else{
alert("请做好准备再来吧");
m.close();
}
}
</script>
</head>
<body>
<input type="button" value="开始神秘之旅" onclick="a()" />
</body>
</html>
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