code: function () {
              var self = this, l = self.length, needClone = self.length > 1, originArgs = util.makeArray(arguments);
              var cfg = originArgs[0];
              var AnimConstructor = Anim;
              if (cfg.to) {
                  AnimConstructor = cfg.Anim || Anim;
              } else {
                  cfg = originArgs[1];
                  if (cfg) {
                      AnimConstructor = cfg.Anim || Anim;
                  }
              }
              for (var i = 0; i < l; i++) {
                  var elem = self[i];
                  var args = needClone ? util.clone(originArgs) : originArgs, arg0 = args[0];
                  if (arg0.to) {
                      arg0.node = elem;
                      new AnimConstructor(arg0).run();
                  } else {
                      AnimConstructor.apply(undefined, [elem].concat(args)).run();
                  }
              }
              return self;
          }
docs: animate for current node list.
  @chainable
  @member KISSY.Node