Change the Event Espresso 4 datepicker format so dates are formatted like 31/01/2016 (dd/mm/yyyy)

datepicker.php

<?php
//* Please do NOT include the opening php tag, except of course if you're starting with a blank file

function jf_change_ee_reg_form_datepicker_format() {
    ?>
        <script>
        jQuery(document).ready(function($) {
          $('.datepicker').datepicker({
            changeYear: true,
            yearRange: "1960:2010", //  for more info see http://api.jqueryui.com/datepicker/#option-yearRange
            dateFormat: 'dd/mm/yy'
          });
        });
        </script>
    <?php
}
add_action( 'AHEE__SPCO__reg_form_footer', 'jf_change_ee_reg_form_datepicker_format', 10 );