Reply To: Logic between number and relationship fields

• balessan

• July 29, 2016 at 2:11 am

Found a solution, reworked my code as the following:

jQuery(document).ready(function($) {
  if (typeof acf === 'undefined') { return; }

  var featuredContentExtension = acf.ajax.extend({
    events: {
      'change [data-key="field_5798cf2592b92"]': '_state_change'
    },

    _state_change: function(e) {
      var select_field = $('#acf-field_5798ced492b91');
      var number_field = $('#acf-field_5798cf2592b92');
      var element = $('.acf-relationship');
      var field_acf_data = acf.get_data( element );

      var new_post_number = number_field.val();
      select_field.attr('data-max', "[\"" + new_post_number + "\"]");
      field_acf_data.max = new_post_number;
    }
  });
});

The key here was to retrieve the ACF data from the element using the acf.get_data method, passing the relationship element as parameter 😉

Thanks for your attention !