为什么输出的尺寸长和宽都变成了设定的二倍？用的是360极速浏览器！
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>window对象</title>
<script type="text/javascript">
function Open1(){
var ace1=confirm("确认打开新网页？")
if(ace1==true)
{open("http://www.imooc.com","慕课网","width:600px,height:400px");}
else{}
}
</script>
</head>
<body>
<form>
<input type="button" value="点击我，打开新窗口" onclick="Open1()" />
</form>
</body>
</html>
