text: const requestWorkers = new XMLHttpRequest();
  requestWorkers.onreadystatechange = function () {
      if (requestWorkers.readyState === 4) {
          const employees = JSON.parse(requestWorkers.responseText);
          let statusHTML = '<ul class="bulleted">';
          employees.forEach( (e) => {
              if (e.inoffice) {
                  statusHTML += '<li class="in">';
              } else {
                  statusHTML += '<li class="out">';
              }
              statusHTML += e.name + "</li>";
          });
          statusHTML += '</ul>';
          document.getElementById('employeeList').innerHTML = statusHTML;
      }
  };
  requestWorkers.open('GET', 'data/employees.json');
  requestWorkers.send();
  
  const requestRooms = new XMLHttpRequest();
  requestRooms.onreadystatechange = function () {
      if (requestRooms.readyState === 4) {
          const rooms = JSON.parse(requestRooms.responseText);
          let statusHTML = '<ul class="rooms">';
          rooms.forEach( (e) => {
              if (e.available) {
                  statusHTML += '<li class="empty">';
              } else {
                  statusHTML += '<li class="full">';
              }
              statusHTML += e.room + "</li>";
          });
          statusHTML += '</ul>';
          document.querySelector('#roomList').innerHTML = statusHTML;
      }
  };
  requestRooms.open('GET', 'data/rooms.json');
  requestRooms.send();