class="signature">(<wbr>)
                      &#8594;
                      <span class="returntype">void</span>
                  </span>
              </dt>
              <dd>
                  <div>
                    <span class="is-inherited">inherited</span>
                  </div>
                  Removes all objects from this list;
the length of the list becomes zero.
              </dd>
              <dt id="contains" class="callable">
                  <span class="name ">contains</span><span