function do_logout() {
   $.post( "<%= url_for('on_logout') %>", function() {});
}

##</code><code>##

$if_login->post('/logout')->name('on_logout')->to('user#on_logout');


##</code><code>##

sub on_logout {
  my $self = shift;
  $self->session(expires => 1);
  return $self->redirect_to('home');
}