Bookmark to find class on richtext

javascript: (function() {
var itemsLength = $('.hs_cos_wrapper_type_rich_text [class]:not(.hs-responsive-embed):not(.hs-responsive-embed-inner-wrapper):not(.hs-responsive-embed-iframe)').length;
itemsLength > 0 ? alert(`Classes in richtext content: ${itemsLength}`) : alert('No classes found in richtext content')
})();