How do I manage cookies in my web application?

How do I manage cookies in my web application?

Managing cookies in a web app involves setting, getting, and deleting cookies using JavaScript. Would you like to know how to do each of these?

Yes, please explain how to set a cookie.

To set a cookie, you can use the document.cookie property. For example: document.cookie = 'username=John; expires=Fri, 31 Dec 2023 23:59:59 GMT; path=/'; This sets a cookie named 'username'.

How can I retrieve a cookie value?

You can retrieve a cookie by accessing document.cookie and parsing the string. For example, you can split it by ; and find the specific cookie you need.

What about deleting a cookie?

To delete a cookie, set its expiration date to a past date. For example: document.cookie = 'username=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/'; This effectively removes the cookie.