Description: Session storage is a type of web storage that allows data to be stored for the duration of a page session. Unlike local storage, which persists even after the browser is closed, session storage is limited to the browser window or tab in which it was created. This means that stored data is automatically deleted when the tab or browser is closed. This type of storage is useful for maintaining temporary information, such as form data, user preferences, or authentication information, without compromising user security or privacy. Session storage is accessed through the Web Storage API in JavaScript, allowing developers to easily save and retrieve data. Additionally, it is compatible with most modern browsers, making it a versatile tool for web development. Its use is especially relevant in web applications where a smooth and personalized user experience is required, allowing data to remain available during user interaction with the application without the need for constant requests to the server.
Uses: Session storage is primarily used in web applications to store temporary data that is relevant only during the user’s session. For example, it can be used to save form information that the user is completing, preventing loss if the user navigates between different pages of the application. It is also useful for maintaining the state of the user interface, such as open tabs or menu selections, without the need for additional requests to the server. Additionally, it can be used to store authentication tokens during the session, allowing users to remain logged in while navigating through the application.
Examples: A practical example of session storage is an online shopping application that allows users to add products to their cart. As the user navigates through different pages of the site, the cart’s contents can be stored in session storage, ensuring that selected items remain available until the user decides to check out or closes the tab. Another example is a survey application where users can complete questions in different stages; session storage can save responses until the user completes the survey.
