How does local storage differ from session storage in HTML-5

Local Storage and Session Storage are two types of web storage options available in HTML5, allowing web applications to store data locally within the user's browser. They differ in terms of their scope, lifespan, and usage:

Local Storage:

1. Scope: Local Storage stores data with no expiration date and remains stored even after the browser is closed. It has no limit on the amount of data that can be stored (though there are practical limits based on the browser).
2. Lifespan: Data stored in Local Storage persists across browser sessions and remains available until explicitly deleted either by the web application or the user.
3. Usage: It is useful for storing persistent data such as user preferences, settings, cached data, or any information that the application needs to keep available between multiple sessions.
4. Access: Data stored in Local Storage is accessible across different tabs or windows of the same browser, as it is associated with the origin (protocol, domain, and port) where the data was stored.

Session Storage:

1. Scope: Session Storage stores data only for the duration of the page session. It persists as long as the browser tab or window is open and gets cleared when the tab or window is closed.
2. Lifespan: Data stored in Session Storage is temporary and specific to the particular tab or window. It is not shared between tabs or windows and is cleared when the session ends.
3. Usage: It is suitable for storing temporary data or information that is required for a specific browsing session but does not need to be preserved once the session ends.
4. Access: Data stored in Session Storage is accessible only within the same tab or window that created it. Other tabs or windows running the same web application will have their own separate Session Storage instances.

In summary, Local Storage is for persistently storing data across multiple sessions, allowing it to be accessible across the entire origin, while Session Storage is for storing temporary data within a single browsing session, specific to each tab or window. Both provide simple key-value pair storage mechanisms accessible through JavaScript, using the localStorage and sessionStorage objects respectively.

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