jQuery(document).ready(function($) { function fixSlickAria() { $('.slick-slide').each(function() { if ($(this).attr('aria-hidden') === 'true') { $(this).attr('tabindex', '-1'); } else { $(this).attr('tabindex', '0'); } }); } fixSlickAria(); $('.uael-grid-gallery').on('afterChange', function(event, slick, currentSlide){ fixSlickAria(); }); });