Instalar CORS
$ npm i express cors
Powerful Pygmy
$ npm i express corsvar express = require('express')var cors = require('cors')var app = express() app.get('/products/:id', cors(), function (req, res, next) { res.json({msg: 'This is CORS-enabled for a Single Route'})}) app.listen(80, function () { console.log('CORS-enabled web server listening on port 80')})var express = require('express')var cors = require('cors')var app = express() app.use(cors()) app.get('/products/:id', function (req, res, next) { res.json({msg: 'This is CORS-enabled for all origins!'})}) app.listen(80, function () { console.log('CORS-enabled web server listening on port 80')})