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<p>Node.js is a platform built on <a
href="http://code.google.com/p/v8/">Chrome's JavaScript runtime</a>
for easily building fast, scalable network applications. Node.js
uses an event-driven, non-blocking I/O model that makes it
lightweight and efficient, perfect for data-intensive real-time
applications that run across distributed devices.</p>
<a href="#download" class="button" id="downloadbutton">Download</a>
<a href="api/" class="button" id="docsbutton">Docs</a>
<p class="version">__VERSION__</p>
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<h2>Node.js in the Industry</h2>
<ul>
<li class="microsoft"><img src="http://nodejs.org/images/microsoft-logo.png">
<p>Node gives Azure users the first end-to-end JavaScript
experience for the development of a whole new class of real-time
applications.
<br>
<a href="http://blogs.msdn.com/b/interoperability/">Claudio Caldato</a>
<br>
<span>Principal Program Manager, Interoperability Strategy</span></p></li>
<li class="ebay"><img src="http://nodejs.org/images/ebay-logo.png">
<p>Node’s evented I/O model freed us from worrying about locking
and concurrency issues that are common with multithreaded async
I/O.
<br>
<a href="http://www.ebaytechblog.com/2011/11/30/announcing-ql-io/">Subbu Allamarju</a>
<br>
<span>Principal Member, Technical Staff</span></p></li>
<li class="linkedin"><img src="http://nodejs.org/images/linkedin-logo.png">
<p>On the server side, our entire mobile software stack is
completely built in Node. One reason was scale. The second is
Node showed us huge performance gains.
<br>
<a href="http://venturebeat.com/2011/08/16/linkedin-node/">Kiran Prasad</a>
<br>
<span>Director of Engineering, Mobile</span></p></li>
<li class="yahoo"><img src="http://nodejs.org/images/yahoo-logo.png">
<p>Node.js is the execution core of Manhattan. Allowing
developers to build one code base using one language – that is
the nirvana for developers.
<br>
<a href="http://developer.yahoo.com/blogs/ydn/posts/2011/11/yahoo-announces-cocktails-%E2%80%93-shaken-not-stirred/">Renaud Waldura</a>
<br>
<span>Sr. Product Manger, Cocktail</span></p></li>
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<li><a href="http://nodejs.org/dist/__VERSION__/node-__VERSION__.pkg">Macintosh Installer</a><br>node-__VERSION__.pkg</li>
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<li><a href="https://raw.github.com/joyent/node/__VERSION__/ChangeLog">Change Log</a></li>
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<li><a href="http://nodejs.org/dist/__VERSION__">Other release files</a></li>
<li><a href="https://raw.github.com/joyent/node/__VERSION__/LICENSE">License</a></li>
<li><a href="https://github.com/joyent/node">Git Repository</a></li>
<li><a href="https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager">Installing
with a Package Manager</a>
</ul>
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<div id="content" class="clearfix">
<div id="column1">
<h2>An example: Webserver</h2>
<p>This simple web server written in Node responds with "Hello World" for every request.</p>
<pre>
var http = require('http');
http.createServer(function (req, res) {
res.writeHead(200, {'Content-Type': 'text/plain'});
res.end('Hello World\n');
}).listen(1337, '127.0.0.1');
console.log('Server running at http://127.0.0.1:1337/');</pre>
<p>To run the server, put the code into a file <code>example.js</code> and execute it with the <code>node</code> program:</p>
<pre class="sh_none">
% node example.js
Server running at http://127.0.0.1:1337/</pre>
<p>Here is an example of a simple TCP server which listens on port 1337 and echoes whatever you send it:</p>
<pre>
var net = require('net');
var server = net.createServer(function (socket) {
socket.write('Echo server\r\n');
socket.pipe(socket);
});
server.listen(1337, '127.0.0.1');</pre>
<!-- <p>Ready to dig in? <a href="">Download the latest version</a> of node.js or learn how other organizations are <a href="">using the technology</a>.</p> -->
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<h2>Featured</h2>
<a href="http://www.youtube.com/watch?v=jo_B4LTHi3I"><img src="http://nodejs.org/images/ryan-speaker.jpg"></a>
A guided introduction to Node
<h2>Explore Node.js</h2>
<ul id="explore">
<li><a href="about/" class="explore">About</a><br><span>Technical overview</span></li>
<li><a href="http://search.npmjs.org/" class="explore">npm Registry</a><br><span>Modules, resources and more</span></li>
<li><a href="http://nodejs.org/api/" class="explore">Documentation</a><br><span>API Specifications</span></li>
<li><a href="http://blog.nodejs.org" class="explore">Node.js Blog</a><br><span>Insight, perspective and events</span></li>
<li><a href="community/" class="explore">Community</a><br><span>Mailing lists, blogs, and more</span></li>
<li><a href="logos/" class="explore">Logos</a><br><span>Logo and desktop background</span></li>
<li><a href="http://jobs.nodejs.org/" class="explore">Jobs</a><br><ol class="jobs"><!-- JOBS --><!-- JOBS --></ol></li>
</ul>
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<li><a href="/">Node.js</a></li>
<li><a href="/#download">Download</a></li>
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<li><a href="http://nodejs.org/api/">Docs</a></li>
<li><a href="http://blog.nodejs.org">Blog</a></li>
<li><a href="/community/">Community</a></li>
<li><a href="/logos/">Logos</a></li>
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<p>Copyright <a href="http://joyent.com">Joyent, Inc</a>, Node.js is a <a href="/trademark-policy.pdf">trademark</a> of Joyent, Inc. View <a href="https://raw.github.com/joyent/node/__VERSION__/LICENSE">license</a>.</p>
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