text: var today = new Date();
  var hourNow = today.getHours();
  var greeting;
  
  if (hourNow > 18) {
      greeting = 'Good evening!';
  } else if (hourNow > 12) {
      greeting = 'Good afternoon!'
  } else if (hourNow > 0) {
      greeting = 'Good morning!'
  } else {
      greeting = 'Welcome!'
  }
  
  document.write('<h3>' + greeting + '</h3>')