title: How to combine two filters in jQuery?
body: <p>I am using jQuery 1.6.2</p>
  
  <p>I am trying to turn the first and last cells of a table yellow.</p>
  
  <p>Basically, I am using two lines of code to accomplish this.</p>
  
  <pre><code>$("tr:first").children("td:first").css("background", "yellow");
  $("tr:first").children("td:last").css("background", "yellow");
  </code></pre>
  
  <p>How can I combine the two filters together to get the first and last tds in a row?</p>