example

{% block js %}
<script>
$(function(){
  var refresher = function () {
    $.getJSON( "{% url 'character_sheet_data' %}", function(data) {
      setTimeout(refresher, data.refresh_timer);
      $("#Content").replaceWith(data.content);
    });
  };

  setTimeout(refresher, 300); // 0.3 seconds
});
</script>{% endblock %}