1. ActiveDOM
jQuery(‘a.nd > html :tricks’).for(‘web application’).data();
by Felix Geisendörfer

2. About me
• Felix Geisendörfer, 20 years old, Germany
• Blogger / Programmer / Entrepreneur
• Used jQuery in all battle fields
• School projects, small business sites, 300++ DB table monster project

3. Key ideas
• Make the DOM represent you data (semantics)
• Abstract the DOM interaction away from
• Known your audience - no silver bullets.
• JSON is your friend in times of trouble.

4. Data on your server
posts id
user_id
title
users
text
created
tags
modified
Database Tables Rows Columns

5. Data in your client
id
user_id
title
text
created
modified
Table ‘posts’ DOM / Html representation

6. Manipulating data in the DOM
Lets say we want to change the ‘text’ field ...

7. This is why we love, jQuery!

8. Lets make it more difficult ...
Lets try to change the ‘user_id’ ...

9. And a last one
Changing the ‘created’ column

10. What about reading the data?

11. What is the Pattern?

12. Mapping columns to get /set functions
get
id
set
user_id
title
get
text
set
created get
modified se
t
Columns DOM transformation / access functions

13. A map for DOM-land

14. How to use the map?

15. Use it directly?
beats

16. Problems
• Only operates on one ‘post’ object
• Clumsy syntax
• No Chaining

17. How far can you go?
with some abstraction
with custom css selectors

18. How to get there?
• Plugin generator
• Routing plugin function calls to sub-functions
• Re-using the ‘fields’ map logic for plugins

19. Questions?
Thanks goes to John & the jQuery team!
Talk will be online at: thinkingphp.org