Client-Server 2.0 using
Jquery & Grails
Andrej Koelewijn

Browser are evolving

Javascript performance is
improving

Tabs are running in separate processes

Browsers get process monitors

Support for graphics

Video

Database support

Development environment

Javascript libraries are booming

With cross-browser support

And effects

And tons of plugins

Example: accordion menu

Google gears

Pro's
Simple
Stateful frontend
Large number of components
UI server platform independent
Uses services
No design to implementation mismatch
Frontend knowledge: html, css, javascript

Cons
Security
Cross domain XHR
Support for graphics and annimation
Relatively modern browser required
Some cross browser issues

Conclusions
Building applications using clientside
javascript is doable
Simple and very productive
Platform independent components big plus
Good fit with SOA