<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>安卓，苹果，平板检测</title>
<script>
window.onload=function(){
switch (IsPC())
{
case 0:
// alert(‘安卓‘);
document.body.style.backgroundColor=‘#2f7234‘;
break;
case 1:
//alert(‘苹果‘);
document.body.style.backgroundColor=‘#0894e4‘;
break;
case 2:
//alert(‘平板‘);
document.body.style.backgroundColor=‘#0abf9b‘;
break;
}
}
function IsPC()
{
var userAgentInfo = navigator.userAgent;
var Agents = new Array("Android", "iPhone","iPad");
var Nub = null;
for (var i = 0; i < Agents.length; i++)
{
if (userAgentInfo.indexOf(Agents[i]) > 0)
{
Nub=i;
break;
}
}
return Nub;
}
</script>
</head>
<body>
</body>
</html>
原文：http://www.cnblogs.com/Greenzgz/p/4191369.html