code: function (allMods) {
              var self = this,
                  comboUrls,
                  timeout = Config.timeout;
  
              comboUrls = self.getComboUrls(allMods);
  
              // load css first to avoid page blink
              if (comboUrls.css) {
                  loadScripts(comboUrls.css, function (success, error) {
                      if ('@DEBUG@') {
                          debugRemoteModules(success);
                      }
  
                      each(success, function (one) {
                          each(one.mods, function (mod) {
                              addModule(mod.name, Utils.noop);
                              // notify all loader instance
                              mod.flush();
                          });
                      });
  
                      each(error, function (one) {
                          each(one.mods, function (mod) {
                              var msg = mod.name + ' is not loaded! can not find module in url: ' + one.url;
                              S.log(msg, 'error');
                              mod.status = ERROR;
                              // notify all loader instance
                              mod.flush();
                          });
                      });
                  }, timeout);
              }
  
              // jss css download in parallel
              if (comboUrls.js) {
                  loadScripts(comboUrls.js, function (success) {
                      if ('@DEBUG@') {
                          debugRemoteModules(success);
                      }
  
                      each(comboUrls.js, function (one) {
                          each(one.mods, function (mod) {
                              // fix #111
                              // https://github.com/kissyteam/kissy/issues/111
                              if (!mod.factory) {
                                  var msg = mod.name +
                                      ' is not loaded! can not find module in url: ' +
                                      one.url;
                                  S.log(msg, 'error');
                                  mod.status = ERROR;
                              }
                              // notify all loader instance
                              mod.flush();
                          });
                      });
                  }, timeout);
              }
          }
docs: load modules asynchronously