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