https://kitauthor.com/wp-content/plugins/mbm-base/includes/js/book.js?ver=5.9

1jQuery( document ).ready(function() {
2
3  // this is also called in MBMPro when grids are filtered and sorted
4mbm_set_up_popup_cards();
5}); // ready
6
7function mbm_set_up_popup_cards() {
8  // hover popup for grids and widgets
9  jQuery(".mbdb_grid_image").on('mouseenter', mbdb_show_popup_card)
10                                .on('mouseleave', mbdb_hide_popup_card );
11  jQuery('.mbdb_book_widget').on('mouseenter',  mbdb_show_popup_card)
12                                .on('mouseleave', mbdb_hide_popup_card );
13
14}
15
16 function mbdb_show_popup_card( event ) { //}, image, element ) {
17    jQuery(this).find('.mbdb_book_info_popup').css({top: jQuery(this).height() * .25, left: jQuery(this).width() *.25 }).show();
18
19}
20
21
22  function mbdb_hide_popup_card() {
23    jQuery(this).find('.mbdb_book_info_popup').hide();
24  }