/**
* Writes a cancel button that will go back to the previous page without doing
* any other operation.
*
* @param string $text The text of button.
*
* @return LinkButton
*
* @since 4.0.0
*/
public function back(string $text = 'JTOOLBAR_BACK') : LinkButton
{
return $this->link('back', $text)->url('javascript:history.back();');
}