Answers for "cors() npm"

5

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();
});
Posted by: Guest on April-23-2020
116

cors npm

/* 
Installation
$ npm install cors
*/

// Simple Usage (Enable All CORS Requests)
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(3000, function () {
   console.log("CORS-enabled web server listening on port 3000");
});
Posted by: Guest on January-04-2021
4

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);  
  }
}));
Posted by: Guest on August-05-2020
-6

cors npm

installation :

$ npm i cors

usage :

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')
})
Posted by: Guest on March-24-2021
1

cors package install npm

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')})
Posted by: Guest on September-21-2020

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