js根据手机客户端浏览器类型，判断跳转官网/手机网站多个实例代码

<script type="text/javascript"> 
    
        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"; 
        if (bIsIpad || bIsIphoneOs || bIsMidp || bIsUc7 || bIsUc || bIsAndroid || bIsCE || bIsWM ){ 
          window.location.href="3g.php";
        } 
      
         
</script>

<script>
	var pc_style = ""
	var browser = {
	versions: function () {
	var u = navigator.userAgent, app = navigator.appVersion;
	return {
	trident: u.indexOf('Trident') > -1,
	presto: u.indexOf('Presto') > -1,
	webKit: u.indexOf('AppleWebKit') > -1,
	gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,
	mobile: !!u.match(/AppleWebKit.*Mobile.*/) || !!u.match(/AppleWebKit/) && u.indexOf('QIHU') && u.indexOf('QIHU') > -1 && u.indexOf('Chrome') < 0,
	ios: !!u.match(/\(i[^;]+;( U;)"此处输入跳转微站首页地址";
	}
</script>

<!--智能手机判断开始-->
<!--
	 <script type = "text/javascript" language = "javascript" >
	Function.prototype.bind = function (bindObj, args) {
	var _self = this;
	return function () {
		return _self.apply(bindObj, [].concat(args))
	}
};
function $(id) {
	return "string" == typeof id "" || rf.toLocaleLowerCase().indexOf(".xiu.com") === -1) {
		var defaultJumpDomain = "";
		if (defaultJumpDomain == "www") {
			return;
		}
		if (defaultJumpDomain == "m") {
			window.location.href = "http://wap.xiu.com/";
			return;
		}
		if (screen == undefined || screen.width < 810) {
			if (browser.versions.iPad == true) {
				return;
			}
			if (browser.versions.webKit == true || browser.versions.mobile == true || browser.versions.ios == true || browser.versions.iPhone == true || browser.versions.ucweb == true || browser.versions.ucSpecial == true) {
				win.location.href = "http://wap.xiu.com/";
				return;
			}
			if (browser.versions.Symbian) {
				win.location.href = "http://wap.xiu.com/";
			}
		}
	}
})(window, browser);

 </script>
-->
<!--智能手机判断结束-->

<script type="text/javascript">
var browser = {
	versions : function () {
		var u = navigator.userAgent,
		app = navigator.appVersion;
		return {
			trident : u.indexOf('Trident') > -1,
			presto : u.indexOf('Presto') > -1,
			webKit : u.indexOf('AppleWebKit') > -1,
			gecko : u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,
			mobile : !!u.match(/AppleWebKit.*Mobile.*/) || !!u.match(/AppleWebKit/),
			ios : !!u.match(/\(i[^;]+;( U;)"qq浏览器");
}else
{
document.write("其它浏览器"+browser.liulanqi);
}
</script>