Quick demo of how to do a simple jQuery binding in CoffeeScript

ajax_loader.coffee

$(document).ready ->
  $('form').submit ->
    $(this).find('.ajax-loader').show()

ajax_loader.js

$(document).ready(function() {
  return $('form').submit(function() {
    return $(this).find('.ajax-loader').show();
  });
});

improved_ajax_loader_from_narkoz.coffee

$ -> $('form').submit -> $(@).find('.ajax-loader').show()

Thanks for the improvement!