Best way to develop dynamic dropdowns

Rails
1

Hi,

I have these models : Country, State, City . Each of these model has a
dropdown, when i select a country i want to populate state acording to
the
selected country and also city with state selection.

I know that to do this i have to use jquery/ajax , but i dont know wich
is
the best way to do it.

I have this example as reference :
PullMonkey Blog » Blog Archive » Dynamic Select Boxes – Ruby on Rails 3 .
Is
this a good option to do it?

Wich way do you consider is the best to do it?

Thank you in advance.

Version of Rails 3.2.12

2

Hello adolfo,

Here is another option, it is Ryan B.’ railscasts, some of his
episodes are free and on others you pay a monthly subscription of
$9.00:

I think this just gives you another option.