js判断设备是否是移动端代码

[code=language-javascript]var isWebkit = /Webkit/i.test(navigator.userAgent),
isChrome = /Chrome/i.test(navigator.userAgent),
isMobile = !!("ontouchstart" in window),
isAndroid = /Android/i.test(navigator.userAgent),
isIE = document.documentMode;

[code=language-javascript]<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>

[code=language-javascript]if (/android/i.test(navigator.userAgent)){
// todo : android
}

if (/ipad|iphone|mac/i.test(navigator.userAgent)){
// todo : ios
}