francis
/
amber
forked from amber/amber


			
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		<h1><img alt="Jtalk is an implementation of the Smalltalk language that runs on the JavaScript runtime." src="images/title_container1.png"/></h1>
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		  <p>Jtalk is an implementation of the  <a href="http://en.wikipedia.org/wiki/Smalltalk">Smalltalk</a> language that runs on top of the <a href="http://en.wikipedia.org/wiki/Javascript">JavaScript</a> runtime. It is designed to make client-side development faster and easier.</p>
		  <p>Jtalk is written in itself, including the parser and compiler. Jtalk compiles into efficient JavaScript, mapping one-to-one with the equivalent JavaScript. There is no interpretation at runtime.</p>
		  <p>Try a <button onClick="smalltalk.Browser._open()"> Class browser</button> right now!</p>
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	      <h2>Client-side usage</h2>
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		<p>Load the full Jtalk Smalltalk environment in your page:</p> 
		<pre>&lt;script&gt; src="jtalk.js" type="text/javascript" &lt;/script&gt;</pre>
		<p>Or the runtime JavaScript file only (without the Smalltalk source or compiler):</p>
		<pre>&lt;script&gt; src="jtalk-runtime.js" type="text/javascript" &lt;/script&gt;</pre>
		<p>Read the <a href="#documentation">documentation</a> to learn more about writing applications in Jtalk.</p>
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	    <h2>Documentation</h2>
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	      <h3 id="intro">1. Introduction <a href="#intro">&para;</a></h3>

	      <p class="warning">This documentation is a work in progress.</p>

	      <p class="information">Jtalk is a young piece of code and evolves quickly. Some features are still incomplete and you may very well encounter bugs.</p>
	      <p>Jtalk is an implementation of the Smalltalk-80 language. It allows developers to write client-side heavy web applications in Smalltalk. Jtalk includes an integrated development environment with a class browser, workspace and transcript.</p>
	      <p>Jtalk includes the following features:</p>
	      <ol>
		<li>It is semantically and syntaxically equivalent to <a href="http://www.pharo-project.org">Pharo Smalltalk</a> (the implementation considered as the reference)</li>
		<li>It is written in itself and compiles into efficient JavaScript</li>
		<li>A canvas API similar to <a href="http://www.seaside.st">Seaside</a> to generate HTML</li>
		<li>A <a href="http://www.jquery.com">jQuery</a> binding</li>
	      </ol>

	      <h3 id="differences-other-smalltalks">2. Differences with other Smalltalk implementations <a href="#differences-other-smalltalks">&para;</a></h3>

	      <h3 id="counter-example">3. The counter example <a href="#counter-example">&para;</a></h3>

	      <p>The following example is the traditional Seaside-like multi-counter application. The buttons at the bottom of each counter increase or decrease the counter.</p>

	      <div id="counters"></div>
	      <script type="text/javascript">
		jQuery(document).ready(function() {'#counters'._asJQuery()._append_(smalltalk.Counter._new())._append_(smalltalk.Counter._new())});
	      </script>

	      <p>Open a  <button onclick="smalltalk.Browser._openOn_(smalltalk.Counter);">browser</button> on the <code>Counter</code> class in the <code>Canvas</code> class category.
		<p>Each Jtalk widget is a subclass of <code>Widget</code>. A widget is a graphical component. The <code>#renderOn:</code> method is used to generate HTML using the HTML canvas.</p>


		<h3 id="html-canvas">4. The HTML canvas <a href="#html-canvas">&para;</a></h3>
		<h3 id="widgets">5. Widgets <a href="#widgets">&para;</a></h3>
		<h3 id="jquery">6. jQuery <a href="#jquery">&para;</a></h3>

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	<p>Copyright © 2011 <a href="mailto:petton.nicolas@gmail.com">Nicolas Petton</a>.</p>
	<p>Jtalk is an opensource project sponsored by <a href="http://www.objectfusion.fr">objectfusion</a>.</p>
	<p>The design of this website was kindly provided by <a href="mailto:neomie.thirion@gmail.com">Noémie Thirion</a>.</p>
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