//判断设备类型

    $("#aass").click(function() {

    var browser = {

        versions: function() {

            var u = navigator.userAgent,

            app = navigator.appVersion;

            return {

                mobile: !!u.match(/AppleWebKit.*Mobile.*/),

                ios: !!u.match(/\(i[^;]+;( U;)? CPU.+Mac OS X/),

                android: u.indexOf("Android") > -1 || u.indexOf("Linux") > -1,

                iPhone: u.indexOf("iPhone") > -1,

                iPad: u.indexOf("iPad") > -1

            };

        } (),

        language: (navigator.browserLanguage || navigator.language).toLowerCase()

    };

    $("#aa2").append("userAgent 内容: <BR/>" + navigator.userAgent + "<BR/><BR/>");

    $("#aa2").append("是否为移动终端: " + browser.versions.mobile + "<BR/>");

    $("#aa2").append("是否 ios: " + browser.versions.ios + "<BR/>");

    $("#aa2").append("是否 android: " + browser.versions.android + "<BR/>");

    //判断 浏览器 类型

    var ex = navigator.userAgent,

    bUA;

    if (ex.indexOf("MSIE") >= 0) {

        bUA = "Internet Explorer 10  Or Earlier"; //IE

    } else if (ex.indexOf("Firefox") >= 0) {

        bUA = "Firefox";

    } else if (ex.indexOf("Chrome") >= 0) {

        bUA = "Chrome";

        if (ex.indexOf("360SE") >= 0) { //360安全浏览器

            bUA = "360SE";

        } else if (ex.indexOf("360EE") >= 0) { //360急速浏览器

            bUA = "360EE";

        } else if (ex.indexOf("SE") >= 0 && ex.indexOf("360SE") == -1) { //搜狗浏览器

            bUA = "SouGou";

        } else if (ex.indexOf("Maxthon") >= 0) { //遨游浏览器

            bUA = "Maxthon";

        }

    } else if (ex.indexOf("UCBrowser") >= 0 || ex.indexOf("UCWEB") >= 0) { // UC浏览器

        bUA = "UCBrowser";

    } else if (ex.indexOf("Opera") >= 0) {

        bUA = "Opera";

    } else if (ex.indexOf("Safari") >= 0) { // 苹果浏览器

        bUA = "Safari";

    } else if (ex.indexOf("Netscape") >= 0) {

        bUA = "Netscape";

    } else if (ex.indexOf("like Gecko") >= 0 && ex.indexOf("Trident") >= 0) {

        bUA = "Internet Explorer 11 Or Later"; //IE11 以后，不再用 MSIE

    } else {

        bUA = "Other Broswer";

    }

    $("#aa2").append("当前浏览器: " + bUA + "<BR/>");

});

    <br>

    <input type="button"  value="浏览器版本信息" id="aass" />

    <br/><br/> 

    <div id="aa2"></div>

    <br><br>