jQuery(function(){  
  jQuery('#test').keydown(function(e) {
  console.log('keyup called');
  var code = e.keyCode || e.which;
  if (code == '9') {
  console.log('keyup called tab');
   
  alert('worked');

  return false;
  }
   
  if (code == '13') {
  console.log('keyup called enter');
   
  alert('worked');
  return false;
  }
   
  console.log(code);

  });
});