HTML5 is well-suited for the iPad as it does not require Flash and offers features like CSS3, DOM manipulation, SVG, and Canvas. The document discusses the history of HTML5 and how it emerged as an alternative to Flash. It also covers some of the technical challenges of developing for the iPad like video playback, DOM performance, and leveraging new APIs. Overall, HTML5 is positioned as providing many benefits for building applications for the iPad without Flash.

1. HTML5
2010.12.16 HTML5

2. rosylilly
Sho Kusano
iPad
iPad
Software Engineer, Dwango

3. History

4. No Flash
3
7
9 iPad

5. No Flash
• CSS3 DOM
•
• jQuery
CSS3

6. •3
• Yomogi( ) Canvas
• Google Chrome

7. •7
•
Bellflower( )
• Canvas / DOM / CSS3 / SVG

8. • 9 30 iPad
• Yuzuriha(
)
• DOM
• iPad

10. HTML5 iPad
•
• Flash Flash HTML5
• Flash HTML5

11. Flash vs HTML5
•
•
•

13. DOM
Canvas SVG

14. DOM
• HTML position:absolute
•
• DOM

15. Canvas
• fillText
•
• iOS 3.2 fillText

16. SVG
•
• ( )
•

17. Requirements

18. • HTML5 iPad
• iPad HTML5
•

20. iPad

21. iPad

22. What’s iPad?
Smartphon
Media Player
Platform

23. iPad

24. iPhone Application? Web Application?

25. Web Application

27. 2

28. Technical Challenge

30. • video
• H.264/mp4
• CPU 8

31. • DOM Javascript
•
• Canvas

32. •
• API
• LocalStorage API

33. API
•
• API flapi.nicovideo.jp
• XHR Lv2
•

34. •
• Javascript
• 1

35. Fruit of HTML5 HTML5

36. PV: 210,000pv
: 6,000uu

37. WebAPI

38. HTML5

39. •
• iPad
• HTML5 …

40. HTML5
HTML5