[JS]判断用户终端类型并调用不同的css和js文件的范例

<script>
    var browser = {         versions: function () {             var u = navigator.userAgent, app = navigator.appVersion;             return {                 trident: u.indexOf('Trident') > -1, //IE内核
                presto: u.indexOf('Presto') > -1, //opera内核
                webKit: u.indexOf('AppleWebKit') > -1, //苹果、谷歌内核
                gecko: u.indexOf('Gecko') > -1 && u.indexOf('KHTML') == -1,//火狐内核
                mobile: !!u.match(/AppleWebKit.*Mobile.*/), //是否为移动终端
                ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/), //ios终端
                android: u.indexOf('Android') > -1 || u.indexOf('Adr') > -1, //android终端
                iPhone: u.indexOf('iPhone') > -1, //是否为iPhone或者QQHD浏览器
                iPad: u.indexOf('iPad') > -1, //是否iPad
                webApp: u.indexOf('Safari') == -1, //是否web应该程序，没有头部与底部
                weixin: u.indexOf('MicroMessenger') > -1, //是否微信 （2015-01-22新增）
                qq: u.match(/\sQQ/i) == " qq" //是否QQ
            };         }(), language: (navigator.browserLanguage || navigator.language).toLowerCase()     }     if (browser.versions.android) {         document.write("<script src='http://libs.baidu.com/jquery/2.1.1/jquery.min.js'><\/script>");         document.write("<script src='http://www.cuplayer.com/Content/workorder/js/android.js'><\/script>");
    }     else if (browser.versions.ios) {         document.write("<script src='http://www.cuplayer.com/Content/workorder/js/jquery-1.8.3.min.js'><\/script>");         document.write("<script src='http://www.cuplayer.com/Content/workorder/js/index.js'><\/script>");     }     else {          document.write("<script src='http://www.cuplayer.com/Content/workorder/js/jquery-1.8.3.min.js'><\/script>");         document.write("<script src='http://www.cuplayer.com/Content/workorder/js/index.js'><\/script>");
    }  </script>

[JS]判断用户终端类型并调用不同的css和js文件的范例