import variable from flask to javascript code example
Example: how to send information from javascript to flask route
#python route
@app.route('/this-route', methods=['GET', 'POST']):
def thisRoute():
information = request.data
return "1"
#javascript
const URL = '/get-coordinates'
const xhr = new XMLHttpRequest();
sender = JSON.stringify([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
xhr.open('POST', URL);
xhr.send(sender);