title: JQuery to find if any span inside label element
body: <p>I am using JQuery  for my application .</p>
  
  <p>I am having a html as</p>
  
  <pre><code>&lt;label id="label1"&gt;Firstname&lt;span class="req"&gt;&lt;em&gt; * &lt;/em&gt;&lt;/span&gt;&lt;/label&gt;
  </code></pre>
  
  <p>In my JQuery code i want to check is there any span like tag inside label and if exists ,i want to keep my check box On.how to do so ..Please suggest me.</p>
  
  <p>The following is my checkbox</p>
  
  <pre><code> &lt;input id="required" type="checkbox" name="required"/&gt;
  </code></pre>