(function($) { 'use strict'; var iconTochange; dragula([document.getElementById("dragula-left"), document.getElementById("dragula-right")]); dragula([document.getElementById("profile-list-left"), document.getElementById("profile-list-right")]); dragula([document.getElementById("dragula-event-left"), document.getElementById("dragula-event-right")]) .on('drop', function(el) { console.log($(el)); iconTochange = $(el).find('.typcn'); if (iconTochange.hasClass('typcn-tick')) { iconTochange.removeClass('typcn-tick text-primary').addClass('typcn-input-checked text-success'); } else if (iconTochange.hasClass('typcn-input-checked')) { iconTochange.removeClass('typcn-input-checked text-success').addClass('typcn-tick text-primary'); } }) })(jQuery);