检测设备分辨率

<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
<meta http-equiv="content-type" content="text/html; charset=gb2312">

<script type="text/javascript">
var mobileAgent = new Array("iphone", "ipod", "ipad", "android", "mobile", "blackberry", "webos", "incognito", "webmate", "bada", "nokia", "lg", "ucweb", "skyfire");
var browser = navigator.userAgent.toLowerCase();
var isMobile = false;
for (var i=0; i<mobileAgent.length; i++){ if (browser.indexOf(mobileAgent[i])!=-1){ isMobile = true;
//alert(mobileAgent[i]);
location.href = 'http://www.baidu.com/';
break; } }
</script>
</head>

<body>
<h2 align="center">请调整浏览器窗口大小</h2><hr>
<form action="#" method="get" name="form1" id="form1">
<!--显示浏览器窗口的实际尺寸-->
浏览器窗口 的 实际高度: <input type="text" name="availHeight" size="4"><br>
浏览器窗口 的 实际宽度: <input type="text" name="availWidth" size="4"><br>
</form>
<script type="text/javascript">
<!-- 
var winWidth = 0;
var winHeight = 0;
function findDimensions() //函数:获取尺寸
{
//获取窗口宽度
if (window.innerWidth)
winWidth = window.innerWidth;
else if ((document.body) && (document.body.clientWidth))
winWidth = document.body.clientWidth;
//获取窗口高度
if (window.innerHeight)
winHeight = window.innerHeight;
else if ((document.body) && (document.body.clientHeight))
winHeight = document.body.clientHeight;
//通过深入Document内部对body进行检测,获取窗口大小
if (document.documentElement  && document.documentElement.clientHeight && document.documentElement.clientWidth)
{
winHeight = document.documentElement.clientHeight;
winWidth = document.documentElement.clientWidth;
}
//结果输出至两个文本框
document.form1.availHeight.value= winHeight;
document.form1.availWidth.value= winWidth;
}
findDimensions();
//调用函数,获取数值
window.onresize=findDimensions;
//-->
</script>
</body>
</html>
原文地址:https://www.cnblogs.com/xinlvtian/p/8045055.html