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var express = require('express')
var cors = require('cors')
var app = express()
var corsOptions = {
origin: function (origin, callback) {
// db.loadOrigins is an example call to load
// a list of origins from a backing database
db.loadOrigins(function (error, origins) {
callback(error, origins)
})
}
}
app.get('/products/:id', cors(corsOptions), function (req, res, next) {
res.json({msg: 'This is CORS-enabled for an allowed domain.'})
})
app.listen(80, function () {
console.log('CORS-enabled web server listening on port 80')
})
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const cors = require('cors');
const corsOption = {
origin: ['http://localhost:3000'],
};
app.use(cors(corsOption));
//if you want in every domain then
app.use(cors())
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$ npm install cors
const cors = require('cors');
const corsOption = {
origin: ['http://localhost:3000'],
};
app.use(cors(corsOption));
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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')
})
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var 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')
})
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var 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')
})