Persistent Javascript Cookie: No Expiration Date | Learn to Code

If you're looking to create a persistent JavaScript cookie with no expiration date, you've come to the right place. In this article, we'll walk you through the process of setting up a cookie that will last indefinitely, allowing you to store user data or preferences without worrying about it expiring.

To create a cookie that never expires, we'll use the JavaScript method `document.cookie` to set the cookie, along with the `max-age` attribute set to a value of `-1`. This will cause the cookie to persist until it is explicitly deleted by the user or the browser.

Here's an example of the JavaScript code you can use to create a persistent cookie with no expiration:

document.cookie = "cookieName=cookieValue; max-age=-1";

In this code, `cookieName` is the name of the cookie you want to create, and `cookieValue` is the value you want to assign to the cookie.

Once you've set up your cookie, you can access it using the `document.cookie` method and manipulate its value as needed. For example, you could retrieve the value of the cookie like this:

var myCookie = document.cookie.replace(/(?:(?:^|.*;s*)cookieNames*=s*([^;]*).*$)|^.*$/, "$1");

In this code, `myCookie` will contain the value of the `cookieName` cookie.

Just keep in mind that while persistent cookies can be useful for storing user data or preferences, they can also be used for tracking user behavior across multiple sessions. So be sure to use them responsibly and with the user's consent.

In conclusion, creating a persistent JavaScript cookie with no expiration date is a simple process that can be accomplished with just a few lines of code. By following the steps outlined in this article, you'll be able to store user data or preferences indefinitely and improve the user experience of your website or application.

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