Express.js req.cookies Property

08 Jul, 2020
The req.cookies property is used when the user is using cookie-parser middleware. This property is an object that contains cookies sent by the request.
Syntax:
req.cookies
Parameter: No parameters.
Return Value: Object
Installation of express module:
You can visit the link to Install express module. You can install this package by using this command.npm install expressAfter installing the express module, you can check your express version in command prompt using the command.npm version expressAfter that, you can just create a folder and add a file for example, index.js. To run this file you need to run the following command.node index.js
You can visit the link to Install express module. You can install this package by using this command.npm install express
npm install express
After installing the express module, you can check your express version in command prompt using the command.npm version express
npm version express
After that, you can just create a folder and add a file for example, index.js. To run this file you need to run the following command.node index.js
node index.js
Example 1: Filename: index.js
var cookieParser = require('cookie-parser');var express = require('express');var app = express(); var PORT = 3000;  app.use(cookieParser());  app.get('/', function (req, res) {  req.cookies.title='GeeksforGeeks';    console.log(req.cookies);  res.send();});  app.listen(PORT, function(err){    if (err) console.log(err);    console.log("Server listening on PORT", PORT);});
Steps to run the program:
The project structure will look like this:Make sure you have installed express and cookie-parser module using the following command:npm install express
npm install cookie-parser
Run index.js file using below command:node index.jsOutput:Server listening on PORT 3000
Now open your browser and go to http://localhost:3000/, now you can see the following output on your console:Server listening on PORT 3000
[Object: null prototype] { title: 'GeeksforGeeks' }

The project structure will look like this:
Make sure you have installed express and cookie-parser module using the following command:npm install express
npm install cookie-parser

npm install express
npm install cookie-parser

Run index.js file using below command:node index.jsOutput:Server listening on PORT 3000

node index.js
Output:
Server listening on PORT 3000

Now open your browser and go to http://localhost:3000/, now you can see the following output on your console:Server listening on PORT 3000
[Object: null prototype] { title: 'GeeksforGeeks' }

Server listening on PORT 3000
[Object: null prototype] { title: 'GeeksforGeeks' }

Example 2: Filename: index.js
var cookieParser = require('cookie-parser');var express = require('express');var app = express(); var PORT = 3000;   app.use(cookieParser());   app.get('/user', function (req, res) {  req.cookies.name='Gourav';  req.cookies.age=12;      console.log(req.cookies);  res.send();});   app.listen(PORT, function(err){    if (err) console.log(err);    console.log("Server listening on PORT", PORT);});
Run index.js file using below command:
node index.js
Output: Now open your browser and make GET request to http://localhost:3000/user, now you can see the following output on your console:
Server listening on PORT 3000
[Object: null prototype] { name: 'Gourav', age: 12 }

Reference: https://expressjs.com/en/4x/api.html#req.cookies
Express.js
Node.js
Web Technologies
Writing code in comment?
Please use ide.geeksforgeeks.org,
generate link and share the link here.
How to update Node.js and NPM to next version ?
Installation of Node.js on Linux
Node.js fs.readFileSync() Method
How to install the previous version of node.js and npm ?
Node.js fs.writeFile() Method
Installation of Node.js on Linux
Top 10 Projects For Beginners To Practice HTML and CSS Skills
Difference between var, let and const keywords in JavaScript
How to insert spaces/tabs in text using HTML/CSS?
How to fetch data from an API in ReactJS ?