About sessionStorage
One crucial aspect of web development is managing data within the browser. In this post, let's delve into the browser's sessionStorage and understand its purpose and functionality.
What is sessionStorage?
sessionStorage is a built-in web API provided by modern browsers that allows developers to store key-value pairs locally within the user's browser session. Unlike cookies, which are sent to the server with every request, sessionStorage is purely client-side storage. It provides a temporary storage mechanism for the duration of the user's session on a particular website.
How does it work?
When you store data in sessionStorage, it is associated with the specific origin (protocol, domain, and port) from which it originates. This means that the stored data is accessible only within the same origin and cannot be accessed by other websites or origins.
sessionStorage data persists as long as the user's browsing session remains active. If the user closes the browser or navigates away from the website, the sessionStorage data is cleared, and subsequent visits to the website will start with a clean slate.
Using sessionStorage
Working with sessionStorage is straightforward. Here are a few key methods to interact with it:
- sessionStorage.setItem(key, value): Stores a key-value pair in sessionStorage.
- sessionStorage.getItem(key): Retrieves the value associated with the specified key.
- sessionStorage.removeItem(key): Removes the key-value pair with the given key from sessionStorage.
- sessionStorage.clear(): Clears all key-value pairs stored in sessionStorage.
Remember that sessionStorage values are always stored as strings. If you want to store complex objects or arrays, you need to convert them to JSON strings using JSON.stringify() before storing and parse them back using JSON.parse() when retrieving.
Use Cases
- Storing temporary data or user preferences during a session.
- Implementing client-side caching to avoid redundant network requests.
- Saving form data temporarily, ensuring it survives page refreshes.
Tip: Remember that sessionStorage is limited to a specific browser tab or window. If you need to share data across multiple tabs or windows, you should explore other techniques like localStorage or server-side storage.
Understanding and effectively utilizing the browser's sessionStorage API can enhance the user experience and provide seamless interactions within your web applications. By harnessing the power of client-side storage, you can create more responsive and personalized web experiences.
Happy coding!
To know more - subscribe to the Tech Read channel in Telegram.
Also I’ll add a link to the article with an interesting interview question.
Likes, shares and recommendations are welcome.
#javascript #sessionstorage
Links:
https://javascript.plainenglish.io/interviewer-can-sesstionstorage-share-data-between-multiple-tabs-a8d850328e89
One crucial aspect of web development is managing data within the browser. In this post, let's delve into the browser's sessionStorage and understand its purpose and functionality.
What is sessionStorage?
sessionStorage is a built-in web API provided by modern browsers that allows developers to store key-value pairs locally within the user's browser session. Unlike cookies, which are sent to the server with every request, sessionStorage is purely client-side storage. It provides a temporary storage mechanism for the duration of the user's session on a particular website.
How does it work?
When you store data in sessionStorage, it is associated with the specific origin (protocol, domain, and port) from which it originates. This means that the stored data is accessible only within the same origin and cannot be accessed by other websites or origins.
sessionStorage data persists as long as the user's browsing session remains active. If the user closes the browser or navigates away from the website, the sessionStorage data is cleared, and subsequent visits to the website will start with a clean slate.
Using sessionStorage
Working with sessionStorage is straightforward. Here are a few key methods to interact with it:
- sessionStorage.setItem(key, value): Stores a key-value pair in sessionStorage.
- sessionStorage.getItem(key): Retrieves the value associated with the specified key.
- sessionStorage.removeItem(key): Removes the key-value pair with the given key from sessionStorage.
- sessionStorage.clear(): Clears all key-value pairs stored in sessionStorage.
Remember that sessionStorage values are always stored as strings. If you want to store complex objects or arrays, you need to convert them to JSON strings using JSON.stringify() before storing and parse them back using JSON.parse() when retrieving.
Use Cases
- Storing temporary data or user preferences during a session.
- Implementing client-side caching to avoid redundant network requests.
- Saving form data temporarily, ensuring it survives page refreshes.
Tip: Remember that sessionStorage is limited to a specific browser tab or window. If you need to share data across multiple tabs or windows, you should explore other techniques like localStorage or server-side storage.
Understanding and effectively utilizing the browser's sessionStorage API can enhance the user experience and provide seamless interactions within your web applications. By harnessing the power of client-side storage, you can create more responsive and personalized web experiences.
Happy coding!
To know more - subscribe to the Tech Read channel in Telegram.
Also I’ll add a link to the article with an interesting interview question.
Likes, shares and recommendations are welcome.
#javascript #sessionstorage
Links:
https://javascript.plainenglish.io/interviewer-can-sesstionstorage-share-data-between-multiple-tabs-a8d850328e89
