Set facebook sk param

// ==UserScript==
// @name        Set facebook params
// @namespace   Violentmonkey Scripts
// @icon        https://www.google.com/s2/favicons?sz=64&domain=facebook.com
// @version     1.0.0
//
// @match       https://www.facebook.com/
// @grant       none
//
// @author      -
// @description
// ==/UserScript==
(function() {
  const key = 'sk';
  const value = 'h_chr';
  const urlParams = new URLSearchParams(window.location.search);
  if (!urlParams.has(key, value)) {
    urlParams.set(key, value);
    window.location.search = urlParams;
  }
})();