External JavaScript file is not getting added when running on Flask

Serve the map.js file as a static resource:

generate a static URL for it in a Jinja2 template like so:

 <script type="text/javascript"         src="{{ url_for('static', filename='map.js') }}"></script>

The filename parameter takes a relative path; you can use subdirectories was needed.

javascript python flask external

Step 1:Create folder with name static on project root

Step 2:Add static files in static folder

Step 3Add in template

<script type="text/javascript" src="{{ url_for('static', filename = 'hello.js') }}"></script>

javascript python flask external

I experience the same issue, for stylesheet, the URL_FOR works but for javascript.I had to write

<script type="text/javascript" src="static/map.js"/>

It worked for me

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