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Create an array with the validators

<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml" layout="absolute" initialize="initializeHandler(event)">   <mx:Script>            import mx.events.ValidationResultEvent;       import mx.controls.Alert;       import mx.validators.Validator;       private var _validators:Array;       private function initializeHandler(event:Event):void {         _validators = [usernameValidator, phoneValidator, emailValidator, zipCodeValidator];       }       private function runValidators(event:Event):void {         var results:Array = Validator.validateAll(_validators);         if(results.length > 0) {           for(var i:uint = 0; i < results.length; i++) {             Alert.show(results[i].target.source.id);           }         }       }      </mx:Script>   <mx:Form>     <mx:FormItem id="usernameItem" label="Name">       <mx:TextInput id="username"/>     </mx:FormItem>     <mx:FormItem label="Phone">       <mx:TextInput id="phone"/>     </mx:FormItem>     <mx:FormItem label="Email">       <mx:TextInput id="email"/>     </mx:FormItem>     <mx:FormItem label="Zip Code">       <mx:TextInput id="zipcode"/>     </mx:FormItem>     <mx:FormItem>       <mx:Button id="button" label="Submit" click="runValidators(event)" />     </mx:FormItem>   </mx:Form>   <mx:Validator id="usernameValidator" source="{username}" property="text" />   <mx:PhoneNumberValidator id="phoneValidator" source="{phone}" property="text" />   <mx:EmailValidator id="emailValidator" source="{email}" property="text" />   <mx:ZipCodeValidator id="zipCodeValidator" source="{zipcode}" property="text" /> </mx:Application>