.info(logger, (e.target.checked ? 'Enabled' : 'Disabled') +
              ' state transition events for this container\'s children');
        });

    // Programmatically create a horizontal container.
    var hc = new goog.ui.Container(goog.ui.Container.Orientation.HORIZONTAL);
    hc.setId('Horizontal Container');

    // Pre-render the container, just to do something different.
    hc.render(goog.dom.getElement('hc'));
    goog.array.forEach(
        ['Happy', 'Sleepy', 'Doc', 'Bashful', 'Sneezy', 'Grump