[Python] Flask - Failed to load module script: The server responded with a non-JavaScript MIME type of "text/plain". Strict MIME type checking is enforced for module scripts per HTML spec.

<script type="module"> 쓰는데 오류 발생 ㅠㅠ

 

 

Failed to load module script: The server responded with a non-JavaScript MIME type of "text/plain". Strict MIME type checking is enforced for module scripts per HTML spec.

 

 

 

import mimetypes
mimetypes.add_type('application/javascript', '.mjs')

 

 

 

 

 

 

 

 

stackoverflow.com/questions/56587108/flask-how-to-use-es6-modules/62236927#62236927

Flask: How to use ES6 modules?