The document discusses the history and features of Node.js. It begins with Node.js originating from Ryan Dahl's desire to build scalable network programs in JavaScript on the server-side. It then covers key aspects of Node.js like its single-threaded non-blocking I/O model powered by an event loop, its usage in production environments by corporations, and its large community and ecosystem of frameworks and packages.

1. @ahmehri
Ahmed Elmehri

2. https://flic.kr/p/pk3p7y
2

3. Once Upon a Time
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4. Lives on Browser
Browser Planet
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5. Until
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6. Ryan Dahl
https://en.wikipedia.org/wiki/File:Ryan_Dahl.jpg 6

7. 7

8. Server Planet
8

9. Would you like to join me?
Server Planet
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10. Server World
10

11. Server Planet
11

12. 12

13. Universal JS
https://flic.kr/p/7ugkbV 13

14. 14

15. 15

16. 16

17. Thank You
@ahmehri
Ahmed Elmehri
#nodejs

18. 18

19. 19

20. 20

21. November 8, 2009
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22. Standing Ovation
https://flic.kr/p/o1FYue 22

23. 23

24. What is Node?
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25. register1
Connection established + callback 2
callback()3
Interaction with Operating System
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26. Handle Connections Concurrently
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27. Suitable for
Web app w/ many i/o Real time Web app Browser game
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28. Node Components
Google V8 JS Engine
Event Loop I/O API
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29. 2008
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V8 Engine

30. I/O API
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31. IO VS NIO
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IO
(Blocking IO)
NIO
(Non Blocking IO)

32. Single Threaded Execution
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33. Event Loop: Concurrency Mechanism
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34. Event Loop: Scalability Mechanism
Event Loop
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35. Is it adopted today?
Is it used in Production environments?
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36. Corporate Users
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37. Community
37

38. Conferences
38

39. Toolset
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40. Package Manager
2011
August 28, 2015
May 18, 2016
(Today)
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41. Frameworks
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42. 42

43. Thank You
@ahmehri
Ahmed Elmehri
#nodejs