Sfd2012Hanoi Nguyễn Hà Dương - Introduction to Node.js
1. Node.js Introduction
Duong “Yang” H. Nguyen, @cmpitg
Fedora Ambassador, Certified Mozillian
Hanoi Community Space
cmpitg [at] gmail dot com
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2. Agenda
What Node.js is and is not?
Why Node.js?
How to use? (with demo)
As a scripting engine
Best uses (briefly)
Frameworks/Tools
Questions
3. What Node.js is and is not?
Is/does
A framework
Providing evented, non blocking I/O
Built on top of Google's V8
JS environment
NOT
Very very fast!
A web framework:
–Ruby on Rails
– Django
– Yii
Multi-threaded
4. Why Node.js?
● Is JavaScript!
● Event-driven, non-blocking
● Fast as hell
● Easy to scale
● V8 is well supported by Google
● And fun!
6. How to use?
Installation:
Install Node.js
–
– Install NPM
– Install modules
Demos:
– Simple HTTP server
– Simple echo server
7. As a Scripting Engine
Modules:
– Processes & Child Process
– Filesystem
– Utilities
Docs: http://nodejs.org/api/
8. Best Uses
Writing highly concurrent server applications
Applications which share between server and
client
Peer-to-peer web programming using
websockets
And of course – highly concurrent web
programming
9. Frameworks/Tools
NPM – Node Package Manager
Express – Minimalistic MVC web framework
TowerJS – Rails-like web framework
Jade – Template engine
Socket.IO – Websocket library
… and much more!