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node.js // io.js
General Assembly 2015
by @vladikoff
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node.js
● A platform built using the JavaScript runtime
● First released in 2009
● Open Source ( github.com/joyent/node )
● Cross-platform, install it from nodejs.org
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Latest Stable Release: 0.12
February 6, 2015
V8 JavaScript Engine:
v3.28.73
node.js
Latest Stable: 1.20.0
February 10, 2015
V8 JavaScript Engine:
v4.1.0.14
Read more at https://iojs.
org/en/es6.html
io.js
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why node
● JavaScript, JavaScript everywhere!
● Server-side frameworks, lots of developer tools!
● Modular: 125,000+ modules on npm!
○ see npmjs.com
● Works particularly well for:
○ JSON APIs
○ single page apps, realtime apps
○ command line tools
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Buffer
C/C++ Addons
Child Processes
Crypto
Events
File System
HTTP
HTTPS
Modules
Net
the API
OS
Path
Process
Query Strings
Readline
REPL
Stream
Timers
URL
Utilities...
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using the api
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using the api
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using the api
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install from npm
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managing callbacks
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managing callbacks
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what else is there?
● Server Frameworks
● Full Stack Frameworks
● Testing Frameworks
● CSS Preprocessors
● Developer Tools
● Native Applications
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let’s build an app...