{% load static %}
<thead>
  <tr>
    {% for column in table_header %}
      {% if 'backend-' in column %}
        <th class="non-clickable backend-column">{{ column|slice:'8:' }}</th>
      {% else %}
        <th class="clickable table-header" data-attribute="{{ column }}">{{ column }}</th>
      {% endif %}
    {% endfor %}
  </tr>
</thead>
<script type="application/javascript" src="{% static 'js/table_header.js' %}"></script>