Using if..else statement to do a password check
<?xml version="1.0" encoding="utf-8"?> <mx:Application xmlns:mx="http://www.adobe.com/2006/mxml"> <mx:Script> import mx.controls.Alert; public function checkPassword():void { if(password.text.length < 1) Alert.show("Missing Password!"); else Alert.show("Looks Good!"); } </mx:Script> <mx:TextInput id="password" /> <mx:Button label="Check Password" click="checkPassword()" /> </mx:Application>