<!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <link type="image/x-icon" rel="icon" href="favicon.ico"> <link type="image/x-icon" rel="shortcut icon" href="favicon.ico"> <link rel="stylesheet" href="pipe.css"> <link rel="stylesheet" href="sh_vim-dark.css"> <link rel="alternate" type="application/rss+xml" title="node blog" href="http://feeds.feedburner.com/nodejs/123123123"> <title>node.js</title> </head> <body id="front"> <div id="intro"> <img id="logo" src="http://nodejs.org/images/logo.png" alt="node.js"> <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> <p>Current Version: __VERSION__</p> <div class=buttons> <a href="http://nodejs.org/dist/__VERSION__/node-__VERSION__.tar.gz" class="button downloadbutton" id="downloadbutton">INSTALL</a> <a href="download/" class=button id="all-dl-options">Downloads</a ><a href="api/" class="button" id="docsbutton">API Docs</a> </div> <a href="http://github.com/joyent/node"><img class="forkme" src="http://nodejs.org/images/forkme.png" alt="Fork me on GitHub"></a> </div> <div id="quotes" class="clearfix"> <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="https://www.windowsazure.com/en-us/develop/nodejs">Claudio Caldato</a> <br> <span>Principal Program Manager, Microsoft Open Technologies, Inc.</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> </ul> </div> <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 from the command line:</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> --> </div> <div id="column2"> <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://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> </div> </div> <div id="footer"> <a href="http://joyent.com" class="joyent-logo">Joyent</a> <ul class="clearfix"> <li><a href="/">Node.js</a></li> <li><a href="/download/">Download</a></li> <li><a href="/about/">About</a></li> <li><a href="http://npmjs.org/">npm Registry</a></li> <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> <li><a href="http://jobs.nodejs.org/">Jobs</a></li> <!-- <li><a hrfe="http://twitter.com/nodejs" class="twitter">@nodejs</a></li> --> </ul> <p>Copyright <a href="http://joyent.com/">Joyent, Inc</a>, Node.js is a <a href="/trademark-policy.pdf">trademark</a> of Joyent, Inc. 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