Find the very previous sibling of each paragraph that has a class "selected". : prev « jQuery « JavaScript Tutorial

<html>
  <head>
    <script type="text/javascript" src="js/jquery-1.3.2.js"></script>
    <script type="text/javascript">
        $(document).ready(function(){
    function showParents() {
            
              $("p").prev(".selected").css("background", "yellow");
        });
    </script>
    <style>
      .selected { color:blue; }
      
    </style>
    
  </head>
  <body>
    <body>
        <span>Hello</span></div>
  <p class="selected">Hello Again</p>

  <p>And Again</p>
    </body>
</html>

30.81.prev
	30.81.1.	Get previous one
	30.81.2.	Get previous tag
	30.81.3.	Find the very previous sibling of each paragraph that has a class "selected".