哪里不对。。。
<!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 vim=confirm("是否要打开弹窗");
if(vim==true){
var voc=prompt("请输入网址"," http://www.imooc.com/");{
if(voc!=null){
window.open("http://www.imooc.com/","_blank","width=400,height=500");
}
else{
alert("see you");
}
else{
alert("see you")
}
}
}
}
</script>
</head>
<body>
<input type="button" value="新窗口打开网站" onclick="openWindow()" />
</body>
</html>