jQuery($ => { const section = $('#cws-links-to-custom-section'); const input = $('input[type=radio]', '#page-links-to'); if (input.filter('input[value="wp"]').prop('checked')) { section.fadeTo(1, 0).hide(); } input.change(function() { const $this = $(this); if ($this.val() === 'wp') { section.fadeTo('fast', 0, () => { section.slideUp(); }); } else { section.slideDown('fast', () => { section.fadeTo('fast', 1, () => { const $linksTo = $('#cws-links-to'); $linksTo.focus().val($linksTo.val()); }); }); } }); });