小编Séa*_*ane的帖子

<ul class="parent">
  <li class="children">1</li>
  <li class="children">2</li>
  <li class="children">3</li>
  <li class="children">4</li>
  <li class="children">5</li>
  <li class="children">6</li>
  <li class="children">7</li>
  <li class="children">8</li>
  <li class="children">9</li>
</ul>
<ul class="parent">
  <li class="children">1</li>
  <li class="children">2</li>
  <li class="children">3</li>
  <li class="children">4</li>
  <li class="children">5</li>
  <li class="children">6</li>
  <li class="children">7</li>
  <li class="children">8</li>
  <li class="children">9</li>
</ul>
<ul class="parent">
  <li class="children">1</li>
  <li class="children">2</li>
  <li class="children">3</li>
  <li class="children">4</li>
  <li class="children">5</li>
  <li class="children">6</li>
  <li class="children">7</li>
  <li class="children">8</li>
  <li class="children">9</li>
</ul>

我想要的是 / 在每个中<ul class="parent">：

如果count是：3 > li <=6隐藏<li>上面的3。如果是6 > li …