node express cors headers
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')
})express js cors
var express = require('express')
var cors = require('cors') //use this
var app = express()
app.use(cors()) //and this
app.get('/user/:id', function (req, res, next) {
res.json({user: 'CORS enabled'})
})
app.listen(5000, function () {
console.log('CORS-enabled web server listening on port 5000')
})cors express
var allowedOrigins = ['http://localhost:3000',
'http://yourapp.com'];
app.use(cors({
origin: function(origin, callback){
// allow requests with no origin
// (like mobile apps or curl requests)
if(!origin)
return callback(null, true);
if(allowedOrigins.indexOf(origin) === -1){
var msg = 'The CORS policy for this site does not ' +
'allow access from the specified Origin.';
return callback(new Error(msg), false);
}
return callback(null, true);
}
}));add express and cors to nodejs app
/*index.js*/
const express = require( 'express' );
const cors = require( 'cors' );
const app = express(); const port = 3030;
//cors is enabled through out the entire app
app.use( cors() );
app.get( '/users', (request, response, next) => { res.json( { info: 'cors is enabled' } ) });
app.listen( port, () => {
console.log(`App is running on ${port}`)
});Copyright © 2021 Codeinu
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