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Manish Purohit
DOJO init(),
July 9, 2008 at 2:31 PM

what for is the function init(){} is used in code


<html>

<head>
<title>button</title>
<script type="text/javascript">
dojo.require("dojo.event.*");
dojo.require("dojo.widget.*");
dojo.require("dojo.widget.Button");

function helloPressed()
{
alert('Click on the Hello World Button');
}

function init()
{
var helloButton = dojo.widget.byId('helloButton');
dojo.event.connect(helloButton, 'onClick', 'helloPressed')
}

dojo.addOnLoad(init);
</script>


</head>

<body bgcolor="#FFFFCC">

<p align="center"><font size="6" color="#800000">Welcome to Roseindia Dojo Project</font></p>

<button dojoType="Button" widgetId="helloButton" onClick="helloPressed();">Hello World!</button>
<br>

</body>

</html>





why we have to

var helloButton = dojo.widget.byId('helloButton');
dojo.event.connect(helloButton, 'onClick', 'helloPressed')

why even after specifying onClick we again give this code and do we need to create var for all the element in the code

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