觉得代码没错啊,可是运行不了,求解答
<!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 mysrt=confirm("是否打开网页");
if (mysrt==true)
{
var my=prompt("请输入网址","http://www.imooc.com/");
if(my !=null){
window.open(my,'http://www.imooc.com','_blank','width=400px,height=500px,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>