<script type="text/javascript">
function browserRedirect() {
var sUserAgent = navigator.userAgent.toLowerCase();
var bIsIpad = sUserAgent.match(/ipad/i) == "ipad";
var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os";
var bIsMidp = sUserAgent.match(/midp/i) == "midp";
var bIsUc7 = sUserAgent.match(/rv:1.2.3.4/i) == "rv:1.2.3.4";
var bIsUc = sUserAgent.match(/ucweb/i) == "ucweb";
var bIsAndroid = sUserAgent.match(/android/i) == "android";
var bIsCE = sUserAgent.match(/windows ce/i) == "windows ce";
var bIsWM = sUserAgent.match(/windows mobile/i) == "windows mobile";
document.writeln("您的浏览设备为：");
if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM) {
document.writeln("phone");
} else {
document.writeln("pc");
}
}
browserRedirect();
</script>
我用电脑上的浏览器，android设备，iphone，ipad均做过测试，此代码可行，各设备判断均正确。
转载请注明出处。http://www.cnblogs.com/babycool/p/3583114.html
(转)[开发笔记]-js判断用户的浏览设备是移动设备还是PC
原文：http://www.cnblogs.com/Tmc-Blog/p/4977133.html