Django extends Tag
Extends
The extends tag allows you to add a parent template for the current template.
This means that you can have one master page that acts like a parent for all other pages:
Example
mymaster.html:
<html>
<body>
<h1>Welcome</h1>
{% block mymessage %}
{% endblock %}
</body>
</html> template.html:
{% extends 'mymaster.html' %}
{% block mymessage %}
<p>This page has a master page</p>
{% endblock %} You put placeholders in the master template, telling Django where to put which content.
Django uses the {% block %} tag, to create placeholders:
master.html:
<html>
<body>
{% block myheading %}
{% endblock %}
{% block mymessage %}
{% endblock %}
</body>
</html> Templates that use the master template, use the
{% block %} tag to create content that will be displayed in
the placeholder with the same name:
template.html:
{% extends 'mymaster.html' %}
{% block myheading %}
<h1>Members</h1>
{% endblock %}
{% block mymessage %}
<ul>
{% for x in members %}
<li>{{ x.firstname }}</li>
{% endfor %}
</ul>
{% endblock %} 
