Deleting Cookie in JavaScript
JavaScript provides a way to delete cookies by setting their expiration date in the past. When a cookie’s expiration date is in the past, the browser automatically removes it. Developers use the document.cookie property to delete cookies, ensuring a clean and secure user experience.
Example: To demonstrate deleting a cookie in JavaScript using
Javascript
document.cookie = "courseName=WebDevelopmentBootcamp; expires=Thu, 5 March 2030 12:00:00 UTC; path=/";function deleteCookie(cookieName) { document.cookie = `${cookieName}=; expires=Thu, 01 Jan 1970 00:00:00 UTC; path=/;`;}deleteCookie('courseName'); |
Output:
Course Name: WebDevelopmentBootcamp
Cookie 'courseName' deleted.
JavaScript Cookies
JavaScript cookies are small data stored on a user’s device by a web browser. These cookies play a crucial role in web development, enabling websites to store and retrieve information about user preferences, session states, and other data. Cookies facilitate a more personalized browsing experience by allowing websites to remember user actions and preferences. They are widely used for user authentication, tracking, and maintaining session states.
Table of Content
- Creating Cookie in JavaScript
- Reading Cookie in JavaScript
- Changing Cookie in JavaScript
- Deleting Cookie in JavaScript