How to use AJAX to populate state list depending on Country list?

Question

I have the code below that will change a state dropdown list when you change the country list.
How can I make it change the state list ONLY when country ID number 234 an

Answer 1

EDIT: here is a solution that works quite well for the task, adapting the lines of Tvanfosson:

  Select Country
  USA
  Canada
  England
  Ireland



  Select Country First

As you can see, I eliminated the

element which is not absolutely necessary but can be added (and then has to be used properly in case JS is deactivated at the users end. See here.

I also eliminated the onchange event which is being replaced by the 'change()` jquery function.