JavaScript RemoteValidator for AJAX(Draft)

JavaScript RemoteValidator for AJAX(Draft)

  ( function (){
                 var  uuid  =   0 ;
                 var  NEW  =   0 , PENDING  =   1 , FINISH  =   2 ;
                 var  RemoteRule  =  window.RemoteRule  =   function (fn, options){
                     this .id  =  uuid ++ ;
                     this .fn  =  fn;
                     this .para  =  options.requestPara;
                     this .showTips  =   function (){
                        options.showTips();
                    }
                }
                
                 var  RemoteValidator  =  window.RemoteValidator  =   function (){
                     this .rules  =  {};
                     this .status  =  {};
                }
                RemoteValidator.prototype  =  {
                    addRule:  function (rule){
                         this .rules[rule.id]  =  rule;
                         this .status[rule.id]  =  NEW;
                    },
                    reset:  function (){
                         this .rules  =  {};
                         this .status  =  {};
                    },
                    validate:  function (callBack){
                         var  self  =   this ;
                         for  ( var  id  in  self.rules) {
                             var  rule  =  self.rules[id];
                             var  updateFn  =  ( function (){
                                 return   function (data){
                                     if  (data) {
                                         delete  self.status[rule.id];
                                    }
                                     else  {
                                        self.hasError  =   true ;
                                    }
                                     if  (self.hasError) {
                                        rule.showTips();
                                    }
                                     var  isEmpty  =   true ;
                                     for  ( var  id  in  self.status) {
                                        isEmpty  =   false ;
                                         break ;
                                    }
                                     if  (isEmpty) {
                                        callBack();
                                    }
                                }
                            })();
                            self.status[rule.id]  =  PENDING;
                            rule.fn(rule.para, updateFn);
                            
                        }
                    }
                }
                
            })();
            
             var  dwrFnMock  =   function (para, callBack){
                setTimeout( function (){
                     if  (para.value  >   0 ) 
                        callBack( true );
                     else  
                        callBack( false );
                },  1000 );
            };
             var  validator1  =   new  RemoteValidator();
            validator1.addRule( new  RemoteRule(dwrFnMock, {
                requestPara: {
                    value:  1
                },
                showTips:  function (){
                    alert( " hasError! " );
                }
            }));
            validator1.validate( function (){
                alert( " submit " );
            });
             var  validator2  =   new  RemoteValidator();
            validator2.addRule( new  RemoteRule(dwrFnMock, {
                requestPara: {
                    value:  - 1
                },
                showTips:  function (){
                    alert( " hasError! " );
                }
            }));
            validator2.validate( function (){
                alert( " submit " );
            })