Taking Baby Steps with Node.js

Taking Baby Steps with Jan Van Ryswyck .NET architect JavaScript enthusiast http://elegantcode.com http://twitter.com/janvanryswyck Agenda What is Node.js? Installation Asynchronous I/O Modules Tools WebSockets Resources Questions What is Node.js? Why JavaScript? Installation db.select("select data from table"); Blocking I/O Initially only Linux and Mac OS Windows is still work-in-progress (upcoming version 0.6) Installing for Cygwin http://tiny.cc/u5ve9 Still issues? http://tiny.cc/wjefz Non-blocking I/O db.select("select data from table", function(result) { // Process the result }); JavaScript C Ryan Dahl - Node.js presentation Qcon November, 2010 <input type="button" value="My button" id="MyButton"/> <script type="text/javascript"> $('#MyButton').click(function() { console.log('Button clicked ...'); }); </script> Asynchronous I/O Example 0.1 Good, old-fashioned callbacks Example 0.2 Events, events, events Example 0.3 Example 0.4 Modules CommonJS http://tiny.cc/jo0iq Node.js built-in core modules http://tiny.cc/owm93 Massive amount of open-source modules http://tiny.cc/avnnv Custom modules Example 0.5 Example 0.6 Thank you ! Tools Installing npm curl http://npmjs.org/install.sh | sh npm http://npmjs.org/ npm registry http://tiny.cc/e4y7x documentation http://tiny.cc/k462q Demonstration node_modules convention n Installing n npm -g install n http://github.com/visionmedia/n Demonstration nodemon http://github.com/remy/nodemon Installing nodemon npm -g install nodemon Demonstration node-inspector https://github.com/dannycoates/node-inspector.git Installing node-inspector npm -g install node-inspector Demonstration WebSockets Socket.IO https://github.com/learnboost/socket.io-node Resources Example 0.7 The podcast module Our very own event emitter nodemon Managing different versions of Node.js node-inspector Simple chat server Callbacks Events Hello HTTP server Hello Node.js Node.js website http://nodejs.org/ Nodetuts http://nodetuts.com/ How To Node http://howtonode.org/ Up and Running with Node.js http://tiny.cc/uzb0h Hands-on Node.js http://tiny.cc/owrzy Felix's Node.js Guide http://tiny.cc/frh5s Mastering Node http://tiny.cc/jjp9l Conclusion npm Node Package Manager What is an event loop?