为什么出不来窗口
<!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 my=confirm("是否打开新的网页")
if (my==true);
{
window.open('http://www.imooc.com','_blank','width=500,height=500,menuber=no,toolbar=no,');
}
else
{
window.close;
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
