A talk by Rob Friesel about using functional programming techniques in JavaScript, inspired by Michael Fogus' book with the same name. (Given at BurlingtonJS 6/19/2013.) Code is on Github: https://github.com/founddrama/burlingtonjs-funjs-talk

1. Functional JavaScript
a talk by Rob Friesel
blog.founddrama.net • @founddrama
Wednesday, June 19, 13

2. Who is this guy?
➡Sr. UI Developer at Dealer.com
➡out there on the web:
-@founddrama
-blog.founddrama.net
-github.com/founddrama
➡Helped edit a few books
-including...
Wednesday, June 19, 13

3. Functional
JavaScript
“Introducing
Functional
Programming with
Underscore.js”
by Michael Fogus
Wednesday, June 19, 13

4. JavaScript?
Why?
Wednesday, June 19, 13

5. Wednesday, June 19, 13

6. Functional?
Why?
Wednesday, June 19, 13

7. λWednesday, June 19, 13

8. “Functional programming is the use
of many functions that transform
data as the primary means for
building programs.”
--Michael Fogus
Wednesday, June 19, 13

9. Defining characteristics?
functions as first-class
objects
“verbs, not nouns”
minimize side effects
composable
Wednesday, June 19, 13

10. Underscore?
Who? What? Why?
Wednesday, June 19, 13

11. battle-tested,
functionally-oriented
library
already deals with the
thorny cross-browser-
platform issues
underscore-contrib
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12. So many topics, so little
time...
applicative programming
higher-order functions
protocols
Wednesday, June 19, 13

13. “Show me the code.”
github.com/founddrama/burlingtonjs-funjs-talk
Wednesday, June 19, 13

14. Learn more!
Functional JavaScript by Michael Fogus
(@fogus)
Underscorejs.org
github.com/documentcloud/underscore-contrib
osteele.com/sources/javascript/functional/
allong.es/
...and more!
Wednesday, June 19, 13

15. Thanks.
Wednesday, June 19, 13