Button with click handler

  
<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>
<script type="text/javascript">

Ext.onReady(function() {
    var btnHandler = function(btn) {
        btn.el.frame();
    }
    
    
    new Ext.Button({
        renderTo : Ext.getBody(),
        text     : 'Plain Button',
        handler  : btnHandler
    });
});



</script>
<body>


</body>
</html>

1.	Create a button and add to panel
2.	Add action event listener handler to a button
3.	Button text and handler
4.	Add button a window
5.	Define button action in a separate function
6.	Disable a button after clicking
7.	Get button text from button object
8.	Create button with text and handler
9.	Align bottons: cener
10.	Add icon to Button
11.	Set width and height for button
12.	Align icon along the button bottom
13.	Align icon to right side
14.	Align icon to top
15.	Button scale: 'medium'
16.	Button scale large
17.	Inline function along with buttons
18.	Icon align left
19.	Icon align right
20.	Icon align bottom
21.	Icon align top

Button with click handler : Button « Ext JS « JavaScript DHTML

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