A cookie is an amount of information that persists between a server-side and a client-side. A web browser stores this information at the time of browsing.
A cookie contains the information as a string generally in the form of a name-value pair separated by semi-colons. It maintains the state of a user and remembers the user's information among all the web pages.
How Cookies Works?
The following syntax is used to create a cookie:
Let's see an example to set and get a cookie.
Here, we display the cookie's name-value pair separately.
In this example, we provide choices of color and pass the selected color value to the cookie. Now, cookie stores the last choice of a user in a browser. So, on reloading the web page, the user's last choice will be shown on the screen.