js判断打开设备

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varbrowser = {
             versions:function() { 
               varu = navigator.userAgent, app = navigator.appVersion;
               return{    //移动终端浏览器版本信息 
                 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('Linux') > -1,//android终端或uc浏览器
                 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 
               };
             }(),
             language: (navigator.browserLanguage || navigator.language).toLowerCase()
           }            
           if(browser.versions.mobile) {//判断是否是移动设备打开。browser代码在下面
               varua = navigator.userAgent.toLowerCase();//获取判断用的对象
               if(ua.match(/MicroMessenger/i) =="micromessenger") {
                   //在微信中打开
                  setInterval(WeixinJSBridge.call('closeWindow'),2000);
               }
               if(ua.match(/WeiBo/i) =="weibo") {
                   //在新浪微博客户端打开
               }
               if(ua.match(/QQ/i) =="qq") {
                   //在QQ空间打开
               }
               if(browser.versions.ios) {
                   //是否在IOS浏览器打开
               } 
               if(browser.versions.android){
                   //是否在安卓浏览器打开
               }
           }else{ 
               //否则就是PC浏览器打开
               window.close();
           }

http://www.jb51.net/article/77541.htm
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