javascript: var posts = document.getElementsByClassName('post');var postsFiltered = [].filter.call(posts, x => {  if (x.getElementsByClassName('post__image').length == 0 && x.getElementsByClassName('images').length == 0) return x;});var display_option = "none";if (postsFiltered.length > 0 && postsFiltered[0].style.display === "none") {  display_option = "block";}postsFiltered.forEach(x => x.style.display = display_option);