title: Why won't my animation effect work?
body: <p>Beginer question:</p>
  
  <p>i load -></p>
  
  <pre><code>&lt;script type="text/javascript" src="http://code.jquery.com/jquery-latest.min.js"&gt;&lt;/script&gt;
  </code></pre>
  
  <p>after that mt js file </p>
  
  <p>all in the head section.</p>
  
  <p>html:</p>
  
  <pre><code>&lt;li class="form-row" id="req-shake"&gt;
    &lt;label class="requried-field"&gt; *&lt;/label&gt;
    &lt;label&gt;some label&lt;/label&gt;
    &lt;input id="input-email" name="email" type="text" class="text-input required email default"  value="" title="example@example.com" /&gt;
  &lt;/li&gt;
  </code></pre>
  
  <p>js error:</p>
  
  <p><img src="https://i.stack.imgur.com/4CsMW.png" alt="js error:"></p>
  
  <p>am i doing something wrong?</p>
  
  <p>Thanks</p>