Drag & Drop with onStart Option


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Description

This callback function is called when a drag is initiated.

Syntax

new Draggable('element', {onStart: 'effectFunction'});

Here effectFunction is the function, which defines the effect to be applied.

Example

<html>
   <head>
      <title>Draggables Elements</title>
		
      <script type="text/javascript" src="/javascript/prototype.js"></script>
      <script type="text/javascript" src="/javascript/scriptaculous.js"></script>
		
      <script type="text/javascript">

         window.onload = function(){
            new Draggable('myimage', 
               { 
               onStart : function(){
                  new Effect.Opacity('myimage', {from:0, to:1.0, duration:10});
                  }
               }
            );
         }
      </script>
		
   </head>
   <body>

      <p>When you start dragging it becomes disappear.</p>
      <img id="myimage" src="/images/scriptaculous.gif"/>

   </body>
</html>	

This will produce following result −


scriptaculous_drag_drop.htm