>>>
switchItUp() {
  var command = 'CLOSED';
  switch (command) {
    case 'CLOSED':
      executeClosed();
      continue nowClosed; // Continues executing at the nowClosed label.

  nowClosed: case 'NOW_CLOSED':
      // Runs for both CLOSED and NOW_CLOSED.
      executeNowClosed();
      break;
  }
}
<<<
switchItUp() {
  var command = 'CLOSED';
  switch (command) {
    case 'CLOSED':
      executeClosed();
      continue nowClosed; // Continues executing at the nowClosed label.

    nowClosed:
    case 'NOW_CLOSED':
      // Runs for both CLOSED and NOW_CLOSED.
      executeNowClosed();
      break;
  }
}