title: add css for odd rows having particular class with jQuery
body: <p>I have the following markup</p>
  
  <pre><code>&lt;tr&gt;
    &lt;td&gt;1,1&lt;/td&gt;
  &lt;/tr&gt;
   &lt;tr&gt;
    &lt;td&gt;2,1&lt;/td&gt;
  &lt;/tr&gt;
  &lt;tr class="add-css"&gt;
    &lt;td&gt;3,1&lt;/td&gt;
  &lt;/tr&gt;
  </code></pre>
  
  <p>And I want to add background color for the odd rows which have class add-css, My ruff jQuery code is</p>
  
  <pre><code>$( "tr" ).filter( ":odd" )hasClass('add-css').css( "background-color", "blue" );
  </code></pre>