title: Hide a div if another div with contains string
body: <p>i have the following</p>
  
  <pre><code>&lt;dd class="variation-"&gt;
      &lt;p&gt;Gift Product&lt;/p&gt;
  &lt;/dd&gt;
  </code></pre>
  
  <p>and i want to hide another <code>div</code> with name <code>popupDiv</code> to be hidden if it finds the word in the <code>div</code> above.</p>