<!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 comfirm("是否要打开新网站");
if(open==true)
{
var myname=prompt("http://www.imooc.com/");
if(myname!=null)
{window.open("http://www.imooc.com/","width=400,height=500,nenubar=no,toolbar=no");
}
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>
var comfirm("是否要打开新网站");错误
应为:var open=comfirm("是否要打开新网站");