Demonstrates how to post form data and process a JSON response using
JavaScript. This allows making requests without navigating away from the
page. Demonstrates using XMLHttpRequest, fetch, and
jQuery.ajax. See the Flask docs about jQuery and Ajax.
$ python3 -m venv venv $ . venv/bin/activate $ pip install -e .
$ export FLASK_APP=js_example $ flask run
Open http://127.0.0.1:5000 in a browser.
$ pip install -e '.[test]' $ coverage run -m pytest $ coverage report