<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>页面自动最大化</title>
<script language="JavaScript">
//定位左上角
self.moveTo(0,0);
//调整屏幕
self.resizeTo(screen.availWidth,screen.availHeight);
</script>
</head>
<body>
<p>此处放必要内容</p>
</body>