通过JS判断浏览器类型，详细区分IE各版本浏览器

var getOSAndBrowser = function () {
            var os = navigator.platform;
            var userAgent = navigator.userAgent;
            var info = "";
            var tempArray = "";
            //判断操作系统
            if (os.indexOf("Win") > -1) {
                if (userAgent.indexOf("Windows NT 5.0") > -1) {
                    info += "Win2000";
                } else if (userAgent.indexOf("Windows NT 5.1") > -1) {
                    info += "WinXP";
                } else if (userAgent.indexOf("Windows NT 5.2") > -1) {
                    info += "Win2003";
                } else if (userAgent.indexOf("Windows NT 6.0") > -1) {
                    info += "WindowsVista";
                } else if (userAgent.indexOf("Windows NT 6.1") > -1 || userAgent.indexOf("Windows 7") > -1) {
                    info += "Win7";
                } else if (userAgent.indexOf("Windows NT 6.2") > -1 || userAgent.indexOf("Windows 8") > -1) {
                    info += "Win8";
                } else if (userAgent.indexOf("Windows NT 6.3") > -1 || userAgent.indexOf("Windows 8.1") > -1) {
                    info += "Win8.1";
                } else if (userAgent.indexOf("Windows NT 10.0") > -1 || userAgent.indexOf("Windows 10") > -1) {
                    info += "Win10";
                }
                else {
                    info += "Other";
                }
            } else if (os.indexOf("Mac") > -1) {
                info += "Mac";
            } else if (os.indexOf("X11") > -1) {
                info += "Unix";
            } else if (os.indexOf("Linux") > -1) {
                info += "Linux";
            } else {
                info += "Other";
            }
            info += "/";


            //判断浏览器版本
            var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
            var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
            var isEdge = userAgent.toLowerCase().indexOf("edge") > -1 && !isIE; //判断是否IE的Edge浏览器
            var isIE11 = (userAgent.toLowerCase().indexOf("trident") > -1 && userAgent.indexOf("rv") > -1);

            if (/[Ff]irefox(\/\d+\.\d+)/.test(userAgent)) {
                tempArray = /([Ff]irefox)\/(\d+\.\d+)/.exec(userAgent);
                info += tempArray[1] + tempArray[2];
            } else if (isIE) {

                var version = "";
                var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
                reIE.test(userAgent);
                var fIEVersion = parseFloat(RegExp["$1"]);
                if (fIEVersion == 7)
                { version = "IE7"; }
                else if (fIEVersion == 8)
                { version = "IE8"; }
                else if (fIEVersion == 9)
                { version = "IE9"; }
                else if (fIEVersion == 10)
                { version = "IE10"; }
                else
                { version = "0" }

                info += version;

            } else if (isEdge) {
                info += "Edge";
            } else if (isIE11) {
                info += "IE11";
            } else if (/[Cc]hrome\/\d+/.test(userAgent)) {
                tempArray = /([Cc]hrome)\/(\d+)/.exec(userAgent);
                info += tempArray[1] + tempArray[2];
            } else if (/[Vv]ersion\/\d+\.\d+\.\d+(\.\d)* *[Ss]afari/.test(userAgent)) {
                tempArray = /[Vv]ersion\/(\d+\.\d+\.\d+)(\.\d)* *([Ss]afari)/.exec(userAgent);
                info += tempArray[3] + tempArray[1];
            } else if (/[Oo]pera.+[Vv]ersion\/\d+\.\d+/.test(userAgent)) {
                tempArray = /([Oo]pera).+[Vv]ersion\/(\d+)\.\d+/.exec(userAgent);
                info += tempArray[1] + tempArray[2];
            } else {
                info += "unknown";
            }
            return info;
        };


        alert(getOSAndBrowser());