How to use Express and cookie-parser In Javascript

Using a Cookie Library

Utilize the cookie-parser middleware to set a session cookie named “myCookie” with the value “cookieValue”. It configures the cookie to expire in one day and to be accessible only via HTTP requests. Upon receiving a GET request to “/”, it sets the cookie and sends a response confirming the successful cookie setting. Finally, the Express application listens on port 3000.

Run the command to install dependencies:

npm i express cookie-parser

Example: The example below explains how to set cookies session per visitor in javascript using an Express and cookie-parser.

JavaScript

const express = require("express");
const cookieParser = require("cookie-parser");
const app = express();
app.use(cookieParser());

app.get("/", (req, res) => {
    res.cookie("myCookie", "cookieValue", {
        maxAge: 24 * 60 * 60 * 1000,
        httpOnly: true,
    });

    // A response is sent with the message.
    res.send("Cookie set successfully");
});

//The Express application listens on port 3000.
app.listen(3000, () => {
    console.log("Server is running on port 3000");
});

Command to run the code:

node cookies1.js

Output:

Output

How to Set Cookies Session per Visitor in JavaScript?

Managing session cookies in JavaScript is essential for web developers to maintain user state and preferences across multiple sessions. The document. cookie property provides a basic mechanism for cookie management, utilizing JavaScript libraries or frameworks can offer enhanced security and flexibility.