How to use a Python variable in an external Javascript (Django)
2025 Update: Check a security note below! One way to use a Python variable in an external Javascript is to declare the JS variable in the HTML template through context object, then pass this variable to the external script code : <script type="text/javascript"> js_var_from_dj = "{{ django_var }}" </script> <script src="{% static "js/js_file.js" %}" type="text/javascript"></script> js_file.js : function functionA(){ // using the variable declared outside this js file inner_js_var = js_var_from_dj ; } What if instead of using HTML template to pass the Django context variable, we inject the variable directly into the external Javascript code ? This is actually possible, the trick here is to to wrap the original JS file in a View, and use that view to render the JS file as a Django template. O ur js_file become : function functionA(){ //using the Django context variable inner_js_var = {{django_var}} ; ...