How to remember js function for user?

Question

HTTP Cookies

Hello, there is a toggle function that responds to screen size.
What could be the solution for remembering this function for the user. I clicked to change the screen, it changed, and js remembered this for all pages, for this user.

$(document).ready(function(){
  $(".button").click(function(){
    $("body").toggleClass("boxed"); return false;
  });
});

Answer 1

Use a cookie or localstorage in js to store the information you need and check for the required value when the page loads.