显示和隐藏文章的高度

文章显示区域

<div class="fff-bg archives-box">
                 <div class="brief-box">
                     <?php echo strip_tags($companyinfo->companydata->content); ?>
                    </div>
                   <p class="brief-a"> <a href="javascript:void(0)" class="view-all">[查看全部]</a> <a href="javascript:void(0)" class="pack-up hidden">[收起内容]</a></p>
                </div>


<script>
$(function(){


 //公司简介 改变高度
 $('.view-all').click(function() {
  
$(this).parent().prev('.brief-box').css('height','auto') ;
$(this).hide();
$(this).siblings('.pack-up').show();

  });
  $('.pack-up').click(function() {
  
$(this).parent().prev('.brief-box').css('height','120px') ;
$(this).hide();
$(this).siblings('.view-all').show();

  });