<!doctype html>
<html>
<head>
<script src="js/jquery/1.11.3/jquery.min.js"></script>
</head>
<body>
<ul>
<li>list item 1</li>
<li>list item 2</li>
<li>list item 3</li>
<li>list item 4</li>
<li>list item 5</li>
</ul>
<script>
$( "li" ).slice(1, 4).css( "background-color", "purple" );
</script>
</body>
</html>