tatables.net/reference/button/collection"><code class="button"
                                                                                title="Buttons button type">collection</code></a>
                button provides the ability to
                show a list of buttons when activated. The buttons it will display in the sub-list are defined by its
                <code>buttons</code> property which can take all of the same
                button options as the <a href="//datatables.net/reference/opt