hexo-theme-icarus/layout/_partial/after-footer.ejs

<% if (config.disqus_shortname){ %>
<script>
  var disqus_shortname = '<%= config.disqus_shortname %>';
  (function(){
    var dsq = document.createElement('script');
    dsq.type = 'text/javascript';
    dsq.async = true;
    dsq.src = '//' + disqus_shortname + '.disqus.com/embed.js';
    (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(dsq);
  })();
</script>
<% } %>

<script src="//ajax.useso.com/ajax/libs/jquery/2.0.3/jquery.min.js"></script>

<% if (theme.fancybox){ %>
  <%- css('fancybox/jquery.fancybox') %>
  <%- js('fancybox/jquery.fancybox.pack') %>
<% } %>

<%- js('js/script') %>