basic axios example

app.py

from flask import Flask, request
from flask_restful import Resource, Api

app = Flask(__name__)
api = Api(app)

class data_api(Resource):
   def post(self):
      json_data = request.get_json()
      print(json_data['data'])
      print(json_data['select'])
      #json_data berisi data dari post  

api.add_resource(data_api, '/api/v1', endpoint='v1')

index.html

<input type="text" id="input" >
<select id="select">
  <option value="str">String</option>
  <option value="int">Interger</option>
  <option value="bool">Boolean</option>
  <option value="float">Decimal</option>
</select>
<button onclick="pushData()">submit</button>

script.js

var input = document.getElementById("input");
var toggle = document.getElementById("toogle");

function pushData() {
  if (input.value) {
    axios
    .post("/api/v1", {
      data: input.value,
      select: select.value,
    })
  }
}