[JS/JQuery] 현재 시스템의 OS를 알아내는 함수

 

function getDeviceOS() {
    var os = navigator.userAgent;
    var ua = navigator.userAgent;
    if (ua.match(/Win(dows )?NT 6\.0/)) {
        os = "Windows Vista";
    } else if (ua.match(/Win(dows )?(NT 5\.1|XP)/)) {
        os = "Windows XP";
    } else {
        if ((ua.indexOf("Windows NT 5.1") != -1) || (ua.indexOf("Windows XP") != -1)) {
            os = "Windows XP";
        } else if ((ua.indexOf("Windows NT 7.0") != -1) || (ua.indexOf("Windows NT 6.1") != -1)) {
            os = "Windows 7";
        } else if ((ua.indexOf("Windows NT 8.0") != -1) || (ua.indexOf("Windows NT 6.2") != -1)) {
            os = "Windows 8";
        } else if ((ua.indexOf("Windows NT 8.1") != -1) || (ua.indexOf("Windows NT 6.3") != -1)) {
            os = "Windows 8.1";
        } else if ((ua.indexOf("Windows NT 10.0") != -1) || (ua.indexOf("Windows NT 6.4") != -1)) {
            os = "Windows 10";
        } else if ((ua.indexOf("iPad") != -1) || (ua.indexOf("iPhone") != -1) || (ua.indexOf("iPod") != -1)) {
            os = "Apple iOS";
        } else if (ua.indexOf("Android") != -1) {
            os = "Android OS";
        } else if (ua.match(/Win(dows )?NT( 4\.0)?/)) {
            os = "Windows NT";
        } else if (ua.match(/Mac|PPC/)) {
            os = "Mac OS";
        } else if (ua.match(/Linux/)) {
            os = "Linux";
        } else if (ua.match(/(Free|Net|Open)BSD/)) {
            os = RegExp.$1 + "BSD";
        } else if (ua.match(/SunOS/)) {
            os = "Solaris";
        }
    }
    if (os.indexOf("Windows") != -1) {
        if (navigator.userAgent.indexOf('WOW64') > -1 || navigator.userAgent.indexOf('Win64') > -1) {
            os += ' 64bit';
        } else {
            os += ' 32bit';
        }
    }
   return os;
};