subtitle counter

/* COUNT TITLE CHARACTER
	--------------------------------------------------*/
function lvdny_title_count()
{
	$screen = get_current_screen();
	if( $screen->post_type != "post")
		return;

	echo '<script>'
		.	'jQuery(document).ready(function()'
		.	'{'
		.		'jQuery("#titlewrap").append("<div id=\"lvdny_alert_char_title\"></div>");'
		.		'jQuery("#title").keyup( function()'
		.		'{'
		.           'lvdny_update_lenght_title();'
		.		'});'
		.       'function lvdny_update_lenght_title() {'
		.           'var lvdny_char_count = jQuery("#title").val().length;'
		.    		'jQuery("#lvdny_alert_char_title").text("Caratteri usati: " + lvdny_char_count + " – di 55");'
		.           'if( lvdny_char_count > 55 ) {'
		.               'if( !jQuery("#lvdny_alert_char_title").hasClass("lvdny_alert_char_max") ) {'
		.                   'jQuery("#lvdny_alert_char_title").addClass("lvdny_alert_char_max");'
		.               '}'
		.           '} else {'
		.              'if( jQuery("#lvdny_alert_char_title").hasClass("lvdny_alert_char_max") ) {'
		.                   'jQuery("#lvdny_alert_char_title").removeClass("lvdny_alert_char_max");'
		.               '}'
		.           '}'
		.       '};'
		.       'lvdny_update_lenght_title();'
		.    '});'
		. '</script>'
		. '<style>'
		.   '#lvdny_alert_char_title{ padding-bottom:10px; text-align: right; }'
		. '</style>';
}
add_action( 'admin_footer-post.php', 'lvdny_title_count');
add_action( 'admin_footer-post-new.php', 'lvdny_title_count');


/* COUNT SUBTITLE CHARACTER
--------------------------------------------------*/
function lvdny_subtitle_count()
{
	$screen = get_current_screen();
	if( $screen->post_type != "post")
		return;

	echo '<script>'
		.	'jQuery(document).ready(function()'
		.	'{'
		.		'jQuery("#jnews_post_subtitle").append("<div id=\"lvdny_alert_char_subtitle\"></div>");'
		.		'jQuery("#jnews_post_subtitle>input").keyup( function()'
		.		'{'
		.           'lvdny_update_lenght_subtitle();'
		.		'});'
		.       'function lvdny_update_lenght_subtitle() {'
		.           'var lvdny_char_count = jQuery("#jnews_post_subtitle>input").val().length;'
		.    		'jQuery("#lvdny_alert_char_subtitle").text("Caratteri usati: " + lvdny_char_count + " – di 80");'
		.           'if( lvdny_char_count > 80 ) {'
		.               'if( !jQuery("#lvdny_alert_char_subtitle").hasClass("lvdny_alert_char_max") ) {'
		.                   'jQuery("#lvdny_alert_char_subtitle").addClass("lvdny_alert_char_max");'
		.               '}'
		.           '} else {'
		.              'if( jQuery("#lvdny_alert_char_subtitle").hasClass("lvdny_alert_char_max") ) {'
		.                   'jQuery("#lvdny_alert_char_subtitle").removeClass("lvdny_alert_char_max");'
		.               '}'
		.           '}'
		.       '};'
		.       'lvdny_update_lenght_subtitle();'
		.    '});'
		. '</script>'
		. '<style>'
		.   '.pxl_sottotitolo .acf-label{ position:relative }'
		.   '#lvdny_alert_char_subtitle{ position:absolute; right: 0px; top:0px; }'
		. '</style>';
}
add_action( 'admin_footer-post.php', 'lvdny_subtitle_count');
add_action( 'admin_footer-post-new.php', 'lvdny_subtitle_count');