", nextArrow:"", responsive: [{ breakpoint: 600, settings: { slidesToShow: 2, slidesToScroll: 1 } }, { breakpoint: 480, settings: { slidesToShow: 1, slidesToScroll: 1 } } ] }); var sLightbox = $(this); sLightbox.slickLightbox({ src: 'src', itemSelector: '.gallery-image img', }); }); $(".w3-button").click(function() { var d = $(this).data("name"); var i; var x = document.getElementsByClassName("city"); for (i = 0; i < x.length; i++) { x[i].style.display = "none"; } tablinks = document.getElementsByClassName("tablinks"); for (i = 0; i < tablinks.length; i++) { tablinks[i].className = tablinks[i].className.replace(" active", ""); } document.getElementById(d).style.display = "block"; $(this).addClass(" active"); });