code: function() {
              var userAgent = pgwBrowser.userAgent.toLowerCase();
  
              // Check browser type
              for (i in osData) {
                  var osRegExp = new RegExp(osData[i].identifier.toLowerCase());
                  var osRegExpResult = osRegExp.exec(userAgent);
  
                  if (osRegExpResult != null) {
                      pgwBrowser.os.name = osData[i].name;
                      pgwBrowser.os.group = osData[i].group;
  
                      // Version defined
                      if (osData[i].version) {
                          setOsVersion(osData[i].version, (osData[i].versionSeparator) ? osData[i].versionSeparator : '.');
  
                      // Version detected
                      } else if (osRegExpResult[1]) {
                          setOsVersion(osRegExpResult[1], (osData[i].versionSeparator) ? osData[i].versionSeparator : '.');
  
                      // Version identifier
                      } else if (osData[i].versionIdentifier) {
                          var versionRegExp = new RegExp(osData[i].versionIdentifier.toLowerCase());
                          var versionRegExpResult = versionRegExp.exec(userAgent);
  
                          if (versionRegExpResult != null && versionRegExpResult[1]) {
                              setOsVersion(versionRegExpResult[1], (osData[i].versionSeparator) ? osData[i].versionSeparator : '.');
                          }
                      }
  
                      break;
                  }
              }
  
              return true;
          }
docs: Set OS data