/TypeScript/How to send information from javascript to flask route

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);

Similar codes

1 vote113 views2 answers
Property 'style' does not exist on type 'Element'
TypeScript
1 vote113 views1 answer
Drop index if exists mysql
TypeScript
0 vote129 views1 answer
Two sets of parentheses after function call
TypeScript
0 vote108 views1 answer
Angular no internet detection
TypeScript
1 vote99 views2 answers
Measurement technique of total fiber attenuation gives
TypeScript
2 votes116 views10 answers
Javascript
TypeScript
0 vote117 views3 answers
How to print brackets characters in c#
TypeScript
0 vote123 views2 answers
Cannot find module 'tns-core-modules/platform' or its corresponding type declarations
TypeScript
0 vote105 views2 answers
How to invert sortField primeng
TypeScript
0 vote111 views1 answer
Youtube comments scrape r
TypeScript