          <span class="signature">&#8594; <a href="../dart-core/int-class.html">int</a></span>         
        </dt>
        <dd>
           
                  <div class="features">read-only</div>
</dd>
        <dt id="onChange" class="property">
          <span class="name"><a href="../dart-html/VideoTrackList/onChange.html">onChange</a></span>
          <span class="signature">&#8594; <a href="../dart-async/Stream-class.html">Stream</a><span class="signature">&lt;<wbr><span class="type-parameter"><a hre