"api-item-version">v7.0</span>
                                </p>
                                <p>
                                    Value along Z axis.
                                </p>
                            </li>
                        </ul>

                        <h2 id="methods">Methods</h2>
                        <ul>
                            <li id="add">
                                <p>
                                    <strong>add</strong>(vector): <span class="api-item-v