drupal-ajax-response.js

(function($, Drupal){

	// Our function name is prototyped as part of the Drupal.ajax namespace, adding to the commands:
	
	Drupal.ajax.prototype.commands.custom_javascript_function = function(ajax, response, status) {
	
		// The value we passed in our Ajax callback function will be available inside the
		// response object. Since we defined it as selectedValue in our callback, it will be
		// available in response.selectedValue. Usually we would not use an alert() function
		// as we could use ajax_command_alert() to do it without having to define a custom
		// ajax command, but for the purpose of demonstration, we will use an alert() function
		// here:
		
	  };
	}(jQuery, Drupal));