Server

const express = require('express')
const app = express()

const data = require('../data.json')


app.use((request, response, next) => {
   response.header('Acsess-Control-Allow-Origin','*')
   response.header('Access-Control-Allow-Headers','Origin, X-Requested-With,Content-Type,Accept')
   next()
  })

app.get('/', (request, response) => {
  response.send('go to data')
  })
  
app.get('/data', (request, response) => {
  response.json(data)
  })

const afterServerStart = () => console.log('access to http://localhost:4242/')
app.listen(4242, afterServerStart)