счетчик фото на сайт

$('.album img').on('click', function() { 
  let selected = $(this).index('.album img') + 1; 
  $('#now').html("Выбран: №" + selected + " из " + $('.album img').length); 
  $('.album img').css('outline', 'none'); 
  $(this).css('outline', '1px solid red'); 
});

img { 
  margin: 5px; 
} 
 
fieldset { 
  padding: 5px; 
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> 
 
<fieldset> 
  <legend>НЕ Альбом</legend> 
  <img alt="css" width="100" height="100" src="https://webref.ru/assets/images/book/css3.png"> 
  <img alt="css" width="100" height="100" src="https://webref.ru/assets/images/book/css3.png"> 
  <img alt="css" width="100" height="100" src="https://webref.ru/assets/images/book/css3.png"> 
  <img alt="css" width="100" height="100" src="https://webref.ru/assets/images/book/css3.png"> 
</fieldset> 
<p id="now"></p> 
<fieldset class="album"> 
  <legend>Альбом</legend> 
  <img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" 
    width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" 
    width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" 
    width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" 
    width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" 
    width="100" /><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Unofficial_JavaScript_logo_2.svg/1200px-Unofficial_JavaScript_logo_2.svg.png" width="100" /> 
</fieldset>