jQuery——手风琴完美实现效果（不会出现重复点击动画还没加载完成）

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* {
    padding: 0;
    margin: 0;
  }
  ul {
    list-style-type: none;
    margin: 100px;
  }
  .keshiliebiao3-list {
    width: 185px;
    height: 46px;
    line-height: 46px;
    padding-left: 38px;
    font-size: 16px;
    color: #475052;
    cursor: pointer;
    border: 1px solid #ddd;
    position: relative;
    margin: 0px;
    font-weight: bold;
    background-color: #eee;
  }
  .child_ul {
    width: 223px;
    height: auto;
    overflow: hidden;
    line-height: 38px;
    border-left: 1px solid #e0e0e0;
    background-color: #fff;
    border-right: 1px solid #e0e0e0;
    display: none;
  }
  .child_ul a {
    display: block;
    width: 223px;
    height: 38px;
    line-height: 38px;
    padding-left: 38px;
    color: #666;
    background: #fff;
    text-decoration: none;
    border-bottom: 1px solid #e0e0e0;
  }

<script type="text/javascript">
  $(function () {
    /* :not(:animated)是用来解决动画没结束时不能执行连续点击的动画效果 */
    $("div.keshiliebiao3-list").click(function () {
    $(this).next(".child_ul:not(:animated)").slideToggle(300);
    var lis = $(this).parent('li').siblings('li'); 
    lis.children('.child_ul:not(:animated)').slideUp(300); 
    });
  });
  </script>