What is session storage?

Session storage is a part of the Web Storage API, which provides a way to store key-value pairs in a web browser. Unlike local storage, which persists even after the browser is closed, session storage only retains data for the duration of the browser session.

Storing user preferences

To store user preferences using session storage, you can use the setItem() method provided by the sessionStorage object. This method takes two arguments: the key and the value.

sessionStorage.setItem('theme', 'dark');
sessionStorage.setItem('fontSize', '16px');

In the example above, we are storing two preferences: the theme (dark) and the font size (16px). The key-value pairs are saved in the session storage.

Retrieving user preferences

To retrieve the stored preferences, you can use the getItem() method provided by the sessionStorage object. This method takes the key as an argument and returns the corresponding value.

const themePreference = sessionStorage.getItem('theme');
const fontSizePreference = sessionStorage.getItem('fontSize');

In the example above, we are retrieving the theme and font size preferences from the session storage.

Removing user preferences

If you want to remove a preference from the session storage, you can use the removeItem() method provided by the sessionStorage object. This method takes the key as an argument and removes the corresponding key-value pair.

sessionStorage.removeItem('theme');

In the example above, we are removing the theme preference from the session storage.

Conclusion

Session storage provides a simple and efficient way to store and manage user preferences in JavaScript applications. By using the setItem(), getItem(), and removeItem() methods provided by the sessionStorage object, you can easily store, retrieve and remove user preferences within the scope of a browser session.

With session storage, you can deliver personalized experiences to your users by remembering their preferences until they close their browser. #JavaScript #SessionStorage