Rails 3 UJS Remote JavaScript callbacks (example)

rails-3-ujs-example.js

// via: http://www.simonecarletti.com/blog/2010/06/unobtrusive-javascript-in-rails-3/
jQuery(function($) {
  // create a convenient toggleLoading function
  var toggleLoading = function() { $("#loading").toggle() };

  $("#tool-form")
    .bind("ajax:loading",  toggleLoading)
    .bind("ajax:complete", toggleLoading)
    .bind("ajax:success", function(event, data, status, xhr) {
      $("#response").html(data);
    });
});