Create instance of Ext.util.Observable, add event handler and fire event : Event « Ext JS « JavaScript DHTML






  1. JavaScript DHTML
  2. Ext JS
  3. Event

Create instance of Ext.util.Observable, add event handler and fire event

 

<html>
<head>
<title>Hello World Window</title>
<link rel="stylesheet" type="text/css" href="ext-3.0.0/resources/css/ext-all.css" />
<script type="text/javascript" src="ext-3.0.0/adapter/ext/ext-base.js"></script>
<script type="text/javascript" src="ext-3.0.0/ext-all.js"></script>

</head>
<body>
<script type="text/javascript">
Ext.onReady(function() {


    var myComponent = new Ext.util.Observable();
    myComponent.addEvents('myEventName');
    
    
    myComponent.on('myEventName', function() {
        alert('asdf');
    });


    myComponent.fireEvent('myEventName');
});
</script> 
<div id='div1'>asdf</div>
</body>
</html>








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1.Custom event with more than one parameters
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3.Remove event Listener
4.Unbind the action to the event handler