mxml helloworld

/**
 * Copyright yarhalla1 ( http://wonderfl.net/user/yarhalla1 )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/tEFA
 */

<?xml version="1.0" encoding="utf-8"?>
<mx:Application
    xmlns:mx="http://www.adobe.com/2006/mxml">

    <mx:Button id="myButton" label="Hello World!" click="onClick();"/>
    <mx:Label text="Hello, World!" />
    
    <mx:Script>
         <![CDATA[  
        import mx.controls.Alert;  
           
         private function onClick():void {  
             Alert.show("HelloWorld!!");   
         }  
         ]]>
    </mx:Script>

</mx:Application>