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Conditionally insert a piece of Django template with HTML code into my template using Javascript

I am trying to create a template with Django to use with all the pages I have in my project. All the pages display similar tables which makes it easier but some of them require an extra check or two. So in writing this one-size-fits-all template, I would like to have this piece of code if it is one type of page:


    {% if not package_check %}
    <p style="color:red">Package not found, so script did not run. Install package and try again</p>

    {% elif count|length %}
     <!-- rest of html template -->
    {% endif %}

Otherwise, I would like to have this piece of code:


    {% if count|length %}
    <!-- rest of html -->
    {% endif | length %}

Since they are very similar I am wondering if it's possible (and how can I do it) to insert it into the HTML with Javascript when loading the page and make it test for the Django variables in the template tags.


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Nothing understandable. Try to write clear.


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