<!DOCTYPE html>
<html>
<head>
<title> new document </title>
<meta http-equiv="Content-Type" content="text/html; charset=gbk"/>
<script type="text/javascript">
function openWindow()
{ var queren=confirm("是否打开新窗口？");
if(queren==true)
{
var myweb=prompt("请输入网址："，"http://www.imooc.com");
if(myweb!=null)
{
window.open(myweb,"-blank",'width=400,height=500,menubar=no,toolbar=no')
}
else{
alert("goodbye!")
}
}
else {
alert("goodbye!")
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
