1. Why you should be excited about
ClojureScript born y
esterd
ay!
@fronx

2. faye
http://twitter.com/#!/jcoglan/status/93818247509581824

3. ClojureScript: Clojure code
that compiles to JavaScript
+ op
timiz
ation
!
Created by Rich Hickey, Clojure/core, and friends

4. https://github.com/clojure/clojurescript/blob/master/samples/hello

5. A LISP for the modern world.
Awesome for controlling complexity!
“Clojure is arguably simpler, more powerful
and more robust than JS.” — Rich Hickey

6. “JavaScript is assembly
language for the web.”
Scott Hanselman
http://www.hanselman.com/blog/JavaScriptIsAssemblyLanguageForTheWebSematicMarkupIsDeadCleanVsMachinecodedHTML.aspx

7. JavaScript == target language for other languages
CoffeeScript Coco Parsec CoffeeScript JS11 Kaffeine Jack move Narcissus
Traceur EcmaScript 5 Parser (es-lab) EcmaScript 5 Parser (qfox) reflect.js bdParse
parse-js Closure Compiler UglifyJS Caja ADsafe FBJS Jacaranda Microsoft
Web Sandbox Gatekeeper Dojo Secure SafeJS MileScript Mascara Roy
Streamline.js mobl StratifiedJS NarrativeJS jwacs Jscex TameJS
ContextJS Objective-J JS2 jangaroo Flapjax jLang Restrict Mode TIScript
HotRuby rb2js RubyJS Red Quby Opal 8ball PYXC-PJ Pyjamas Skulpt
PyCow PyvaScript GWT Java2Script j2js scalagwt jsc JSIL Script#
ClojureScript clojurejs ClojureScript EdgeLisp Fargo Moby Scheme nconc
Parenscript Ralph scheme2js Scriptjure Sibilant Spock Ocamljs O'Browser
Js_of_ocaml UHC YHC jshaskell Clamato Silver Smalltalk JTalk Lively
Kernel Emscripten mala Clue NS Basic/App Studio qb.js Haxe Fantom
LZX (Laszlo XML) Fun Ur WebSharper mobl E Sugar Opa Waterbear
JsMorphic ScriptBlocks Oia Quixe Gnusto Logo Interpreter p2js
OMG
Reb2Static RPN phype OP4JS jison OMeta/JS PEG.js languagejs Canopy
, it’s lik
JS/CC jsparse ReParse p4js JSGLR antlr Cruiser.Parse Closure Compiler
the JV
burrito javascript types altJS jswiki e
AST Documentation Spidermonkey Parser API JsonML AST treehugger JavaScript Shaper
M!
https://github.com/jashkenas/coffee-script/wiki/List-of-languages-that-compile-to-JS

8. Why is this happening?

9. optimize
performance readability
efficient use abstraction
of resources
agility
weirdnesses

10. There are some things
computers are just better
at than humans.

11. readability
abstraction
agility
human
e.g. minification
machine
performance
efficient use of resources
weirdnesses

12. readability
abstraction
agility
human
optimizing compiler (<= awesome!)
machine
performance
efficient use of resources
weirdnesses

13. “Google’s Closure compiler is a true
optimizing compiler providing
powerful dead-code elimination.”
@fogus
+ symbol replacement,
expression rewriting,
transformation
http://blog.fogus.me/2011/07/21/compiling-clojure-to-javascript-pt1/

14. BUT!?
“Debugging?!?”
“People should learn how to
write good JavaScript instead!”
(discuss)

15. “JavaScript is assembly
language for the web.”

16. @fronx
more:
http://cloud.github.com/downloads/clojure/clojurescript/clojurescript%20slides.pdf