jQuery Selector How to - Select an element If it is the child element








Question

We would like to know how to select an element If it is the child element.

Answer


<!--   www.  ja v a 2  s.co  m-->
<html>
  <head>
    <script type="text/javascript" src='http://code.jquery.com/jquery-1.5.2.js'></script>
    <script type="text/javascript">
        $(document).ready(function(){
             $("div ul:only-child").text("only has ul").css("border", "2px blue solid");
        });
    </script>
  </head>
  <body>
      <div>
        <ul>
            <li>A</li>
            <li>B</li>
            <li>C</li>
        </ul>
      </div>
      <div>
        <ul>
            <li>D</li>
            <li>E</li>
            <li>F</li>
            <li>G</li>
            
        </ul>
      </div>
      <div>
        <ul>
            <li>H</li>
            <li>I</li>
            <li>J</li>
            <li>K</li>
        </ul>
      </div>

    </body>
</html>

The code above is rendered as follows: