How to send a post to the server on click of a button in jsp without reloading the page?

Question

Java

Hello, I am interested in the question of how to send a request to the server by clicking on a button in jsp, without reloading the page, namely, there is a jsp with products and I want to add the product to the cart by clicking on the button next to the product! tell me how this is done, I will be grateful if you tell me how it is done correctly, I will also be happy with examples! Thank you.

Answer 1

jsp on the client turns into html and to make a request to the backend without reloading the page, you need to use ajax. Look here Vanilla js or jQuery