Cart operations in Woocommerce?

Question

JavaScript

Where is cart data stored in woocommerce?
If in a cookie, then how can I change the quantity of the 1st product in the basket, that is, for example, there is a product "Hat" in the amount of 1 piece in the basket, how can I change it to 2 pieces through the cookie?

Answer 1

Only the hash of the cart and the session is stored in cookies.
The content of the cart itself is in the database.