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);call javascript function flask
from flask import Flask, render_template
app = Flask(__name__)
@app.route('/', methods=['GET', 'POST'])
def upload_file():
if request.method == 'POST':
#verify if the file is valid
#here invoke js to do something (for example flash("test"))
return render_template('upload.html', flash_message="True")
return render_template('upload.html', flash_message="False")Copyright © 2021 Codeinu
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