Used to comment out code to prevent template tags or variables from being interpreted and/or to prevent the content from being delivered to the browser.

An optional note can be included in the open comment tag.

Template

{% comment "Should we include this?" %}
  <small class="text-muted">
    Created on: {{ joke.created }}
    Last updated: {{ joke.updated }}
  </small>
{% endcomment %}

Note that single lines of text can be commented out using {# and #}:

{# This is a comment. #}