Node.js: The Good Parts

There's a new kid in town.

Find out what's great about node and why it's so hot right now!

Presented at #convergese on 26 April 2013

1. Node.js: The Good Parts There's a new kid in town; time to say hello. Brought to you by @rockbot
2. Welcome to the Playground (Ruby) (Python) Scheme Go Erlang Clojure (JavaScript) (PHP) (C#)
3. Node === Awesomesauce ◦ Quick ◦ Independent ◦ Familiar ◦ Modular ◦ Plays well with others ◦ MVP of MVC ◦ Widely used ◦ Super easy to get started
4. Fast and Asynchronous Powered by the V8 JavaScript Engine Evented, non-blocking I/O
5. Single Thread, Non-Blocking Time Blocking Non-Blocking
6. Single Thread, Non-Blocking Time Multi-Threaded, Blocking Non-Blocking
7. Everywhere You Want to Be It's just JavaScript! Easy context switching between front-end and backend
8. Party with npm modules : node :: gems : ruby lots of small, modular packages that can be added to programs via require
9. Use it Your Way Favorite DBs: ◦ MongoDB ◦ CouchDB ◦ MySQL ◦ and more! Preprocessors: ◦ Jade (HTML) ◦ Stylus (CSS) ◦ ERB ◦ Sass
10. Model-View-Controller? Totally! Customize your experience with a framework like Express or Flatiron to help organize your code
11. JIFASNIF JavaScript is fun and so node is fun! #nodejs IRC, Google Groups, GitHub, Twitter, Meetups, Conferences...!
12. Node.js in the Wild Companies that use node.js right now
13. Ready to Start your Relationship? Spin up a server in no time... and get hacking!
14. Basics: A Really Simple Web Server 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/');
15. Basics: A Really Simple Web Server % node example.js Server running at http://127.0.0.1:1337/
16. Basics: A Really Simple Web Server % npm install express % express projectName % cd projectName && npm install % node app.js Server running at http://localhost:3000
17. node.js: The Less Good Parts ◦ "Pyramid of Doom" ◦ Core keeps changing ◦ Too many options ◦ Overkill for static sites ◦ Scalability ◦ Memory leaks (closures) ◦ CoffeeScript, etc
18. Raquel Vélez @rockbot Engineer rockbot@storify.com