title: How to get dropdown selected value without dropdown name, id or class
body: <p>My dropdown,
  MVC Code</p>
  
  <pre><code>@foreach (var attribute in Model)
  {
      string controlId = string.Format("product_attribute_{0}_{1}_{2}", attribute.ProductId, attribute.ProductAttributeId, attribute.Id);
      @switch (attribute.AttributeControlType)
      {
          case AttributeControlType.DropdownList:
          {
              &lt;select name="@(controlId)" id="@(controlId)"&gt;
  
                  @foreach (var pvaValue in attribute.Values)
                  {
                      &lt;option&gt;@pvaValue.Name&lt;/option&gt;
                  }
              &lt;/select&gt;
          }
          break;
      }
  }
  </code></pre>
  
  <p>Html generated code:</p>
  
  <pre><code>&lt;dd&gt;
    &lt;select id="product_attribute_5_1_13" name="product_attribute_5_1_13"&gt;
      &lt;option value="36"&gt;Black&lt;/option&gt;
      &lt;option value="37"&gt;White&lt;/option&gt;
    &lt;/select&gt;
  &lt;/dd&gt;
  
  &lt;dd&gt;
    &lt;select id="product_attribute_5_2_14" name="product_attribute_5_2_14" class="valid"&gt;
      &lt;option value="38" selected="selected"&gt;1 test&lt;/option&gt;
      &lt;option value="39"&gt;2 Test&lt;/option&gt;
    &lt;/select&gt;
  &lt;/dd&gt;
  </code></pre>
  
  <p>Now i want second dropdown selected item or value using jquery.</p>
  
  <p><strong>Notes</strong>:
  Its id and name value is dynamic for all dropdown.</p>
  
  <p>How do I get dropdown selected value on button click?</p>