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Invoking multiple validators in a function

<?xml version="1.0"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml">   <mx:Script>           import mx.events.ValidationResultEvent;     private var vResult:ValidationResultEvent;     private function validateZipPhone():void {       if (zipV.validate().type==ValidationResultEvent.INVALID)         return;       if (pnV.validate().type==ValidationResultEvent.INVALID)         return;     }        </mx:Script>   <mx:ZipCodeValidator id="zipV" source="{zipCodeInput}" property="text" />   <mx:PhoneNumberValidator id="pnV" source="{phoneNumberInput}" property="text" />   <mx:Form>     <mx:TextInput id="zipCodeInput" />     <mx:TextInput id="phoneNumberInput" />   </mx:Form>   <mx:Button label="Validate" click="validateZipPhone();" /> </mx:Application>