Is there a way i can make a variable that the value won't reset when closing the window ?

Question

I'm currently trying to make login save on the same pc but idk what to use or what to do
Btw:
I'm done with all website courses, html,css,js,jQuery,php,sql
But i lost my main account

Answer 1

use cookies or latest local storage ^^

https://developer.mozilla.org/en-US/docs/Web/API/Web_Storage_API/Using_the_Web_Storage_API

Answer 2

Thank uu visph ^-^