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<h1>E4X Tutorial</h1>

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<td>&nbsp;&nbsp;&nbsp;&nbsp;</td>
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<p class="intro">E4X is a new extension to JavaScript</p>
<p class="intro">E4X adds direct support for XML to JavaScript</p><p class="intro">
E4X is an official JavaScript standard</p>
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<hr />

<h2>What You Should Already Know</h2>
<p>Before you continue you should have a basic understanding of the following:</p>
<ul>
	<li>HTML </li>
	<li>JavaScript</li>
	<li>XML</li>
</ul>
<p>To study these subjects first, find all the tutorials you need on our
<a href="../default.asp">Home Page</a>.</p>

<hr />

<h2>JavaScript = ECMAScript </h2>
<p>ECMAScript is the official name for JavaScript.</p>
<p>ECMAScript is the same as 
JavaScript.</p>
<p>ECMA (The European Computer Manufacturers Association) is the organization 
standardizing JavaScript.</p>

<hr />

<h2>E4X = JavaScript for XML</h2>
<p>E4X means &quot;ECMAScript For XML&quot;. It is a standard extension to ECMAScript.</p>
<p>So in real life E4X means &quot;<b>JavaScript for XML</b>&quot;.</p>

<hr />

<h2>XML As a JavaScript Object</h2>
<p>E4X is an official JavaScript standard that adds direct support for XML.</p>
<p>With E4X, you can declare an XML object variable the same way as you declare a Date or 
an Array 
object variable: </p>

<table class="ex" width="100%" border="1" cellspacing="0" id="table1"><tr><td>
<pre><b>var x = new XML()</b></pre>
<pre>var y = new Date()</pre>
<pre>var z = new Array()</pre>
</td></tr></table>
<p>E4X makes scripting for XML with JavaScript very 
simple.</p>
<p>Examples are provided in the next chapter.</p>

<hr />

<h2>E4X is a Web Standard</h2>
<p>ECMA-262&nbsp;(JavaScript 1.3) was standardized in December 1999.</p>

<p>E4X is an extension of JavaScript that adds direct support for XML.</p>
<p>ECMA-357&nbsp;(E4X) was standardized in June 2004.
</p>

<hr />

<h2>ECMA International</h2>
<p>ECMA International was founded in 
1961.</p>
<p>The ECMA organization is dedicated to the standardization of Information and 
Communication Technology (ICT) and Consumer Electronics 
(CE).</p>
<p>ECMA has developed standards for</p>
<ul>
	<li>JavaScript</li>
	<li>C# Language</li>
	<li>International Character Sets</li>
	<li>Optical Disks</li>
	<li>Magnetic Tapes</li>
	<li>Data Compression</li>
	<li>Data Communication</li>
	<li>and much more</li>
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