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Node.js: Whats the Big Deal? Presented and JS Meetup Chicago
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Node.js: Whats the Big Deal? & the Opportunity for jStack Developer By Aziz Ali Chief Instructor @
Transcript of Node.js: Whats the Big Deal? Presented and JS Meetup Chicago
Node.js:Whats the Big Deal?
& the Opportunity forjStack Developer
By Aziz AliChief Instructor @
Every Language Has A Runtime,That Runs the Language,Understands its Code andProcesses the Instructions
Javascript Runtime was buildwithin the Browser
Node.js is aRuntime for Javascripton the Machine
There has been other attempts to makeJavascript runtime on the machine,
so why did Node.js take off?
What is so special about Node.js?
FAST
NODE.JS is:Non-blocking (Asynchronous)
Event Driven (Event Loop)
Single-Threaded
NODE.JS is:Non-blocking (Asynchronous)
Event Driven (Event Loop)
Single-Threaded
NODE.JS is:Non-blocking (Asynchronous)
Event Driven (Event Loop)
Single-Threaded
EVENT DRIVENRuby: Event Machine
Perl: AnyEventPython: Twisted
NODE.JS is:Non-blocking (Asynchronous)
Event Driven (Event Loop)
Single-Threaded
Event Loop
Task 3
Task 2
Task 1
Task 4
Event Loop
Task 3
Task 2
Task 1
Task 4
New Task
Event Loop
Task 3
Task 2
Task 1
Task 4
File System
Database
Web Request
etc.
New Task
Event Loop
Task 3
Task 2
Task 1
Task 4
File System
Database
Web Request
etc.
New Task
Callback complete
The jStack Opportunity
● Build Mobile Apps○ Windows 8 supports that○ PhoneGap
● Build Desktop Apps○ Node-Webkit (NW.js)
Aziz Ali● 630.724.7322● [email protected]● twitter.com/iLoveCodingOrg
