const cors = require('cors');
const corsOption = {
origin: ['http://localhost:3000'],
};
app.use(cors(corsOption));
//if you want in every domain then
app.use(cors())app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "YOUR-DOMAIN.TLD"); // update to match the domain you will make the request from
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});$ npm install cors
const cors = require('cors');
const corsOption = {
origin: ['http://localhost:3000'],
};
app.use(cors(corsOption));