<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<script type="text/javascript">
function openWindow(){
var open=confirm("are u sure to open this url？")
if(open==ture){prompt("are u sure to open the defalut url?","http：//www.imooc.com/") window.open("http：//www.imooc.com/","_blank","width=400,height=500,menubar=no,toolbar=no,scrollbars=no")}
else{alert("bye!")}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
if(open==ture)
这里是true，不是ture
if(open==true)
干嘛这样写？confirm自带一个返回值，if（open）就可以