JAVASCRIPT

accept json data in express

var express = require('express');

var app = express();

app.use(express.json());

app.post('/', function(request, response){
  console.log(request.body);      // your JSON
   response.send(request.body);    // echo the result back
});

app.listen(3000);

accept json data in express

//backend/server.js
//middleware to accept json in request body
app.use(express.json())