shows cookies in console in a gorgina table from https://github.com/bgrins/devtools-snippets

cookie.table.js

// viewcookies.js
// https://github.com/bgrins/devtools-snippets
// Shows all cookies stored in document.cookies in a console.table
(function() {
  'use strict';

  window.viewCookies = function() {
    if (document.cookie) {
      const cookies = document.cookie
        .split(/; ?/)
        .map(s => {
          const [ , key, value ] = s.match(/^(.*?)=(.*)$/);
          return {
            key,
            value: decodeURIComponent(value)
          };
        });

      console.table(cookies);// showheaders.js
// https://github.com/bgrins/devtools-snippets
// Print out response headers for current URL.

(function() {

  var request=new XMLHttpRequest();
  request.open('HEAD',window.location,true);
  
  request.onload = request.onerror = function () {
    var headers = request.getAllResponseHeaders();
    var tab = headers.split("\n").map(function(h) {
      return { "Key": h.split(": ")[0], "Value": h.split(": ")[1] }
    }).filter(function(h) { return h.Value !== undefined; });

    console.group("Request Headers");
    console.log(headers);
    console.table(tab);
    console.groupEnd("Request Headers");
  };
  
  request.send(null);

})();

    }
    else {
      console.warn('document.cookie is empty!');
    }
  };
})();

window.viewCookies();