Call ruby function through AJAX

Question

I barely know anything about ajax, and I need to use it for my rails application. My function is here (controller function):

def verify_code
  input = params[:input]
  code = params[:code]
  if input == code
    return true
  else
    return false
  end
end

The javascript that I have attempted:

$('#submit_me').click(function() {
  var input_code = $('.input_code').val();
  var bool = $.ajax({
        url: '/verify_code/'+input_code+'/<%= @code %>',
        type: 'get',
        contentType: 'application/json; charset=UTF-8',
     });
  alert(bool)
});

I have idea how to get this ajax going. I am trying to call the controller function and getting the return value to the javascript. Can someone please help me with this? Thanks.

Answer 1

You were almost there! You need to implement the "done" callback (= Javascript function that will be executed on the success of the Ajax request):

Try this:

$('#submit_me').click(function(event) {
  event.preventDefault();
  var input_code = $('.input_code').val();
  $.getJSON('verify_code/'+input_code+'/<%= @code %>').done(function(data){
    alert(data);
  })
});

• jQuery's getJSON method: http://api.jquery.com/jQuery.getJSON/