1. $('.ajaxify').each(function(){
2.     var options = jQuery.extend(
3.         {dataType: 'json'}, 
4.         $(this).data('ajaxify-options')
5.     );
6.     $(this).ajaxForm(options);
7. });

This allows me to have a default option (dataType: json) and add options in the data-ajaxify-options attribute of every particular form, like this (for example):

1. <form action='/send.php' method="post" class="ajaxify" data-ajaxify-options='{"data":{"send":true}}'>

This works fine. However, now I want to add a success callback like this. But, the attribute data-ajaxify-options needs to be valid json for the .data() function to work, and the value for success should be a function, which is not possible in json, right?

Is there any way to do what I want?