PHP - add to functions.php
++++++++++++++++++++++++++


add_action( 'wp_enqueue_scripts', 'gmh_enqueue_scripts' );
function gmh_enqueue_scripts() {
global $post;
	$postid = get_the_ID();
	if ( is_singular( 'job_listing' ) {
	$v1 = get_post_meta($postid, '_gmh_vid', true);  //use your own field name
	$v2 = get_post_meta($postid, '_gmh_vid2', true); //use your own field name
	$v3 = get_post_meta($postid, '_gmh_vid3', true); //use your own field name
	$second_tab = get_post_meta($postid, '_your_field', true);

	$urls = array(
				$v1,
				$v2,
				$v3
		);

	$tab2 = ($second_tab ? true : "");
	$populated = array_filter($urls);
	$count[] = count($populated);
				wp_enqueue_script( 'gmh-js', get_stylesheet_directory_uri() . '/js/gmh.js');
				wp_localize_script( 'gmh-js', 'gmhVar', array(
									'tab1' 	=> $count,
									'tab2' 	=> $tab2

				) ); //passes our array variables to gmhVar in our script
	}
}



JS - replace for 2 tabs
++++++++++++++++++++++++++


(function($) {
    $(document).ready(function(){
		var counted = gmhVar.tab1;
		if (counted >= 1) {
			$( "<span class='items-counter'>" + counted + "</span>").appendTo( "#listing_tab_video_toggle" );
		} else {
			$("#listing_tab_video_toggle").addClass('hide');
		}

		var element2 = Boolean(gmhVar.tab2);
		if (element2 === false) {
			$("#listing_tab_yelp_toggle").addClass('hide');
		}

    });
})(jQuery);