        <tr>
          <th>input</td>
          <td>A value between 0 and 1.0 indicating our current point
        in the animation where 0 represents the start and 1.0 represents
        the end</td>
        </tr>
      </table>
  </div>
  <div class="jd-tagdata">
      <h5 class="jd-tagtitle">Returns</h5>
      <ul class="nolist"><li>The interpolation value. This value can be more than 1.0 for
         interpolators which overshoot their targets, or less than 0 for
         interpolators that undershoot t