title: Get a textbox id inside a div in jquery
body: <p>I need your help to find textbox id inside a div based on div's css class name in jquery.</p>
  
  <pre><code>&lt;div class="FH_element FH_text required" id="FH_0_first_name"&gt;
      &lt;label for="FHE_0_first_name"&gt;First*&lt;small&gt;&lt;/small&gt;&lt;/label&gt;
      &lt;div&gt;
          &lt;input type="text" title="" name="first_name" value="" tabindex="3" id="FHE_0_first_name"&gt;
      &lt;/div&gt;
  &lt;/div&gt;
  </code></pre>
  
  <p>In the above code i need to find the textbox id(FHE_0_first_name) using div's class name(required)..in jquery.</p>