1. JavaScript
Shogo Ohta(os0x)

2. ‣ os0x
‣ Twitter
‣
‣ JavaScript, Ruby
‣ Google API Expert
‣ Chrome API Developers JP
‣ HTML5 Developers JP
‣ WEBDB+PRESS
‣ JavaScript

3. ‣
‣ http://d.hatena.ne.jp/secondlife/
20110704/1309759409
‣
‣ http://d.hatena.ne.jp/secondlife/
20110410/1302442313
‣
‣ http://techlife.cookpad.com/2011/07/15/
extension‐framework/

4. JavaScript

5. JavaScript
http://www.flickr.com/photos/urbanoasis/3236188250/

6. ‣
‣( )

7. ‣ ( )
‣( )

8. (Rails )
JavaScript
‣
‣
‣
‣ JavaScript
‣ DOM(HTML)

9. capybara
+
selenium‐driver
‣
‣
‣

10. headless
(browser)
‣ GUI
CUI
‣ JavaScript
DOM
( )

11. ‣ capybara‐envjs
‣ SpiderMonkey
‣ envjs
‣ envjs
‣ capybara‐zombie
‣ V8(node.js)
‣ JSDOM
‣

12. ‣ Akephalos
‣ Rhino
‣ HTMLUnit
‣ envjs
‣ selenium
‣ (?) Chris
Kowalik mike(V8 )

13. ‣ Akephalos
‣
‣ http://myrmecoleon.sytes.net/iib/view/AKP001.html

16. WebKit

17. capybara‐webkit
‣ QtWebKit view
‣ Ruby socket

18. ‣ Sencha Ariya Hidayat Jasmine
spec Qt
(blog )
‣ Ariya PhantomJS
‣ PhantomJS
thoughtbot inc Joe Ferris
capybara‐webkit

19. ‣ selenium
‣ envjs
‣
‣
‣

20. ( )

21. fork commit pull request

22. HTTP Header(UserAgent )
(COOKPAD spec )

23. fork commit pull request

24. github

25. JavaScript
spec

26. spec

27. spec
‣ spec JavaScript
‣ spec
‣ spec
spec

28. JSCoverage
‣ JavaScript
‣
(t‐wada )
‣ js

31. ‣ capybara‐webkit unload
JScoverage JSON
(Qt )
‣ JSON cobertura
(XML) (
) Jenkins

33. ‣ capybara‐webkit JSCoverage
JavaScript
‣ github pull request!
‣