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Drag 'n' 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 function which defines 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>

To understand it in better way you can Try it yourself.



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