Ajax and RJS

Slide 1:Ajax and RJS

Slide 2:Yes, Macs Rule

Slide 3: Ajax • mini web request from javascript • used to update pieces of content in page

Slide 4: When NOT to use AJAX • when the action is related to navigation • when there is another AJAX call inside that action (will get very complicated)

Slide 5: Cons of AJAX • can slow down a page just as easy as speed up a page • explosion of partials

Slide 6: Pros of AJAX • when done well, it will make the user experience much better • saves server traffic and potentially load • and...

Slide 7:It’s cool.

Slide 8: How does it work? Something like this: You always need a library.

Slide 9: Using PrototypeJS new Ajax.Updater('my_div', '/items'); t