Javascript识别浏览器+操作系统

var os_mapping = {
            ‘win98‘: 1,
            ‘winxp‘: 2,
            ‘win2000‘: 3,
            ‘win2003‘: 4,
            ‘win7‘: 5,
            ‘win8‘: 6,
            ‘vista‘: 7,
            ‘mac‘: 8,
            ‘lin‘: 9,
            ‘other‘: 20
        },
        browser_mapping = {
            ‘ie10‘: 1,
            ‘ie9‘: 2,
            ‘ie8‘: 3,
            ‘ie7‘: 4,
            ‘ie6‘: 5,
            ‘chrome‘: 6,
            ‘sogou‘: 7,
            ‘ff‘: 8,
            ‘360‘: 9,
            ‘safari‘: 10,
            ‘opera‘: 11,
            ‘maxthon‘: 12,
            ‘qq‘: 13,
            ‘liebao‘: 14,
            ‘other‘: 20
        }

function detectBrower() {
        //使用jquery是1.8.2可是使用$.browser
        var b = $.browser,
            ua = navigator.userAgent

        if (ua.indexOf("Maxthon") != -1){
            return browser_mapping[‘maxthon‘]
        }else if (ua.indexOf("360SE") != -1){
            return browser_mapping[‘360‘]
        }else if(ua.indexOf("SE 2.X MetaSr 1.0") != -1){
            return browser_mapping[‘sogou‘]
        }else if(ua.indexOf("QQ") != -1){
            return browser_mapping[‘qq‘]
        }else if(ua.indexOf("LBBROWSER") != -1){
            return browser_mapping[‘liebao‘]
        }else if (b.chrome) {
            return browser_mapping[‘chrome‘]
        } else if (b.msie) {
            var v = parseInt(b.version)
            switch (v) {
                case 6:
                    return browser_mapping[‘ie6‘]
                case 7:
                    return browser_mapping[‘ie7‘]
                case 8:
                    return browser_mapping[‘ie8‘]
                case 9:
                    return browser_mapping[‘ie9‘]
                case 10:
                    return browser_mapping[‘ie10‘]
                default:
                    return browser_mapping[‘other‘]
            }
        } else if (b.safari) {
            return browser_mapping[‘safari‘]
        } else if (b.mozilla) {
            return browser_mapping[‘ff‘]
        } else if (b.opera) {
            return browser_mapping[‘opera‘]
        } else  {
            return browser_mapping[‘other‘]
        }
    }

    function detectOS() {
        var sUserAgent = navigator.userAgent;
        var isWin = (navigator.platform == "Win32") || (navigator.platform == "Windows");
        var isMac = (navigator.platform == "Mac68K") || (navigator.platform == "MacPPC") || (navigator.platform == "Macintosh") || (navigator.platform == "MacIntel");

        if (isMac) {
            return os_mapping["mac"]
        } else if ((navigator.platform == "X11") && !isWin && !isMac) {
            return os_mapping["other"];
        } else if (String(navigator.platform).indexOf("Linux") > -1) {
            return os_mapping["lin"]
        } else if (isWin) {
            if (sUserAgent.indexOf("Windows NT 5.0") > -1 || sUserAgent.indexOf("Windows 2000") > -1) {
                return os_mapping["win2000"]
            }
            if (sUserAgent.indexOf("Windows NT 5.1") > -1 || sUserAgent.indexOf("Windows XP") > -1) {
                return os_mapping["winxp"]
            }
            if (sUserAgent.indexOf("Windows NT 5.2") > -1 || sUserAgent.indexOf("Windows 2003") > -1) {
                return os_mapping["win2003"]
            }
            if (sUserAgent.indexOf("Windows NT 6.0") > -1 || sUserAgent.indexOf("Windows Vista") > -1) {
                return os_mapping["vista"]
            }
            if (sUserAgent.indexOf("Windows NT 6.1") > -1 || sUserAgent.indexOf("Windows 7") > -1) {
                return os_mapping["win7"]
            }
            if (sUserAgent.indexOf("Windows NT 6.2") > -1 || sUserAgent.indexOf("Windows 8") > -1) {
                return os_mapping["win8"]
            }
        } else {
            return os_mapping["other"];
        }
    }