app/views/articles/index.js.erb
$("#load-more").remove();
$("ul.list-tutorials").append("<%= j render partial: 'articles' %>");
$(".row").last().after("<%= j render partial: 'shared/load_more', locals: { collection: @articles } %>");
$('html, body').animate({
scrollTop: $(document).height()-$(window).height()},
1400,
"easeOutQuint"
);