//Enqueue custom scripts
    function my_adding_scripts() {


        wp_register_script('gg-load', '/wp-content/plugins/gg-load.js', array('jquery'),'1.1', true);
        wp_localize_script( 'gg-load', 'myAjax', array( 'ajaxurl' => admin_url( 'admin-ajax.php' )));
        wp_enqueue_script('gg-load');

    }

    add_action('wp_enqueue_scripts', 'my_adding_scripts');

    //Process AJAX data
    add_action( 'wp_ajax_gg_query_posts', 'gg_query_posts' );
    add_action( 'wp_ajax_nopriv_gg_query_posts', 'gg_query_posts' );

    function gg_query_posts() {

        $response = array();

        $slug = $_REQUEST["slug"];

        $args = array(
            'tag' => "$slug",
            'orderby' => "title",
            'order'   => "ASC",
        );

        $the_query = new WP_Query ($args);

        if ( $the_query->have_posts() ) {

            while ( $the_query->have_posts() ) {

            $the_query->the_post();

            $response->status = true;

            $response->query = $the_query;

            }

        } else {

            $response->status = false;

            $response->message = esc_attr__( 'No posts were found' );

        }

        wp_reset_postdata();
        die( json_encode( $response ) );

    }

jQuery(document).ready( function() {

   jQuery("ul.gg-menu>li").click( function(e) {
      e.preventDefault();
      slug = jQuery(this).attr("data-slug"); //Passes slug to the PHP script for use in the WP_Query

      jQuery.ajax({
         type : "post",
         dataType : "json",
         url : myAjax.ajaxurl,
         data : {action: "gg_query_posts", slug: slug},
         error: function(data) {
                    console.log(data, "error");
                },
          success: function(data) {
                    console.log(data, "success");
                    //We work with the post data here
                }
      })

   })

})