const cors =require('cors');const corsOption ={origin:['http://localhost:3000'],};
app.use(cors(corsOption));//if you want in every domain then
app.use(cors())
// cors install
npm install cors
const cors =require('cors');
app.use(cors());// if you want to use every domainconst corsOption ={origin:['http://localhost:3000'],};
app.use(cors(corsOption));// if you want to use in specific domain
var express =require('express')var cors =require('cors')//use thisvar 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')})
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();});
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();});
app.get('/',function(req, res, next){// Handle the get for this route});
app.post('/',function(req, res, next){// Handle the post for this route});
// install cors
npm install cors
// install cors for all domainvar 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')})// install cors for specific domainvar express =require('express')var cors =require('cors')var app =express()var corsOptions ={origin:'http://example.com',optionsSuccessStatus:200// some legacy browsers (IE11, various SmartTVs) choke on 204}
app.get('/products/:id',cors(corsOptions),function(req, res, next){
res.json({msg:'This is CORS-enabled for only example.com.'})})
app.listen(80,function(){console.log('CORS-enabled web server listening on port 80')})
/*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}`)});
//Cors = Cross-origin resource sharingvar express =require('express');var cors =require('cors');var app =express();
app.use(cors());var corsOptions ={origin:'http://example.com',optionsSuccessStatus:200// some legacy browsers (IE11, various SmartTVs) choke on 204}
app.listen(80,function(){console.log('CORS-enabled web server listening on port 80')})