retrospring/app/views/static/index.js.erb

$('#timeline').append('<% @timeline.each do |answer|
  %><%= j render 'shared/answerbox', a: answer
%><% end %>');
<% if @timeline.next_page %>
  $('#pagination').html('<%= j will_paginate @timeline, renderer: BootstrapPagination::Rails, page_links: false %>');
<% else %>
  $('#pagination, #load-more-btn').remove();
<% end %>