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  <div class="col-xs-12 col-sm-9 col-md-6 main-content">

    <section class="multi-line-signature">
        <span class="returntype"><a href="polymer_app_layout/Element-class.html">Element</a></span>
        <span class="name ">parent</span>
        <div class="readable-writable">
            read-only
        </div>
    </section>

      <section class="desc markdown">
      
            <p>The parent element of this node.</p>
<p>Returns null if this node either does 