<!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 newpage=confirm("要打开新窗口吗?");
if(newpage=true)
{
var url=prompt("请输入要打开的网址:","http://www.imooc.com/");
if(url!=null)
{
window.open(url,'_blank','width=400,height=500,menubar=no,toolbar=no');
}
else
{
alert("再见!")
}
}
else
{
alert("再见!")
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>请大家帮忙看看问题出在哪儿
if(newpage==true)