handle cors in node js code example
Example 1: access-control-allow-origin nodejs express
app.use(function (req, res, next) {
res.setHeader('Access-Control-Allow-Origin', 'http://localhost:8888');
res.setHeader('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, PATCH, DELETE');
res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type');
res.setHeader('Access-Control-Allow-Credentials', true);
next();
});
Example 2: allow cross origin node
app.use(function(req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
Example 3: express js cors
var express = require('express')
var cors = require('cors')
var app = express()
app.use(cors())
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')
})