cors npm
/*
Installation
$ npm install cors
*/
// Simple Usage (Enable All CORS Requests)
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(3000, function () {
console.log("CORS-enabled web server listening on port 3000");
});