each p in posts
                .w3-container.w3-card.w3-black.w3-round.w3-margin
                    p= p.title
                    input(type='hidden', id="idPost" value=p._id)
                    if p.picture
                        img.w3-margin-bottom(src="images/"+p.picture style="width:100%")
                    p= p.content
                    .w3-container.w3-card(id="commentSection")
                        if p.comments
                            each m in p.comments
                                p= m.user.split(":")[1] + "        "+ m.message
                    textarea(id="NewComment", cols="80%", rows="1" placeholder="Enter a new comment")

var num = $(this).closest('w3-container').find(".idPost").val();