Pragmatics of Declarative Ajax

Pragmatics of Declarative Ajax XTech 2007 May 15-18, Paris Dave Johnson CTO, Nitobi [email_address]

Agenda ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Who Is this Guy? ,[object Object],[object Object],[object Object]

Anything Else? ,[object Object],[object Object],[object Object]

Agenda ,[object Object],http://flickr.com/photos/jjd/24164311/ ME THUNK HTML ROCZ!!!

The Rule of Least Power ,[object Object],[object Object],[object Object]

Principle “ Powerful languages inhibit information reuse.”

Inhibiting Information Reuse ,[object Object],[object Object],[object Object]

Good Practice “ Use the least powerful language suitable for expressing information, constraints or programs on the World Wide Web.”

http://www.flickr.com/photos/doglotion/154496890/

http://www.flickr.com/photos/dpade1337/429996161/

Benefits of Less Power? ,[object Object],[object Object],[object Object],[object Object]

http://flickr.com/photos/oceanyamaha/186146223/ DEKLARATIVE WUT???

Declarative What? ,[object Object],[object Object],[object Object],[object Object]

Declarative Languages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Ham and Cheese ,[object Object],[object Object]

http://www.flickr.com/photos/refractedmoments/399890975/

Computability ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Pareto’s Principle ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design VS Program ,[object Object],[object Object],[object Object],[object Object],[object Object]

Popular Tools ,[object Object],[object Object],[object Object],[object Object],[object Object]

Not Just About XML ,[object Object],[object Object],[object Object],[object Object]

Layering Languages ,[object Object],[object Object]

Assembly ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

C++ ,[object Object],[object Object],[object Object],[object Object]

Still All Clearly Imperative ,[object Object],[object Object]

Agenda I CULD DO ZAT http://flickr.com/photos/stevecaddy/474542238/

Declarative User Interface ,[object Object],[object Object]

In JavaScript ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

In (X)HTML ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Same but Different new GLatLng(49.265788, -123.069877) <g:point lat="49.265788" lng="-123.069877" /> new GLatLng( -123.069877 , 49.265788 ) <g:point lng=" -123.069877 " lat=" 49.265788 " />

Practical Differences ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

The Bugaboo ,[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],[object Object]

Benefits? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

http://flickr.com/photos/elmyra/9335163/ WUT IZ ISNIDE?

Problems ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Firefox HTML DOM Traversal ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

getElementsByTagNameNS ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Styling Namespaced Elements ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Other Approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Standards Approach ,[object Object],[object Object]

W3C Accessibility ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

What are Others Doing? ,[object Object],[object Object],[object Object]

XML-Script ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Dojo Toolkit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

XForms ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object]

Q&A? Dave Johnson [email_address] http://blogs.nitobi.com/dave

Pragmatics of Declarative Ajax

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