Should I use localStorage or sessionStorage?

Is sessionStorage better than localStorage?

There is no difference between them except for the intended "non-persistence" of sessionStorage . That is, the data stored in localStorage persists until explicitly deleted. Changes made are saved and available for all current and future visits to the site. For sessionStorage , changes are only available per tab.

Is it safe to use sessionStorage?

Both SessionStorage and LocalStorage are vulnerable to XSS attacks. Therefore avoid storing sensitive data in browser storage. It's recommended to use the browser storage when there is, No sensitive data.

Should you use localStorage?

Local storage provides at least 5MB of data storage across all major web browsers, which is a heck of a lot more than the 4KB (maximum size) that you can store in a cookie. This makes local storage particularly useful if you want to cache some application data in the browser for later usage.

Should I use cookie or localStorage?

Cookies and local storage serve different purposes. Cookies are mainly for reading server-side, whereas local storage can only be read by the client-side . Apart from saving data, a big technical difference is the size of data you can store, and as I mentioned earlier localStorage gives you more to work with.