改变容器高度,显示隐藏数据内容

<div class="method-2-wrap wrap">
  <div class="faa1">功能</div>
  <div class="title">
    <article>测试</article>
    <article>测试</article>
    <article>测试</article>
    <article>测试</article>
  </div>
  <div class="content">点击</div>
</div>
<div class="method-2-wrap wrap">
  <div class="faa1">功能</div>
  <div class="title">
    <article>测试</article>
    <article>测试</article>
    <article>测试</article>
    <article>测试</article>
  </div>
  <div class="content">点击</div>
</div>
<script type="text/javascript">
  $(function(){
    var i=0;
    $(".content").click(function(){
       i++;
       i%2 !==0 ? $(this).siblings("div.title").css({‘height‘:‘400px‘}) : $(this).siblings("div.title").css({‘height‘:‘100px‘});
    })
  })
</script>