how to link javascript file in flask code example

Example 1: html include js file flask

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

Example 2: where to put js files in flask

<script src="{{url_for('static', filename='somejavascriptfile.js')}}"></script>

Example 3: how to add js in flask

<script src="{{url_for('static', filename='js/modernizr-2.6.2.min.js')}}"></script>