jQuery(document).ready(function($) { "use strict"; /*** Multi Check Boxes ***/ $('.customize-control-bettercheckbox .bettercheckbox-multi').each(function(){ var $control = $(this), $multi = $control.find('input[type="checkbox"]'), $input = $control.find('input[type="hidden"]'); $multi.on('change', function(){ var multiValues = $multi.filter(':checked').map(function(){ return this.value; }).get().join(','); $input.val(multiValues).trigger('change'); }); }); });