how to select elements with data code example
Example 1: find element with data attribute jquery
$("ul").find(`[data-slide='${current}']`)
Example 2: jquery find by data attribute
$('.slide-link[data-slide="0"]').addClass('active');
$("ul").find(`[data-slide='${current}']`)
$('.slide-link[data-slide="0"]').addClass('active');