为啥一点反应都没有....
<!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 open=confirm("是否打开新窗口")；
if (open==true)
{var a=prompt("通过输入对话框确定打开的网址","http://www.imooc.com");
if(a!=null)
{
window.open(a,"_black",'width=400px','height=500px','menubar=no','toolbar=no');
}
else{}
}
else{}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
