demos/autocomplete/maxheight.html

<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>jQuery UI Autocomplete - Scrollable results</title>
	<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
	<script src="../../jquery-1.5.1.js"></script>
	<script src="../../ui/jquery.ui.core.js"></script>
	<script src="../../ui/jquery.ui.widget.js"></script>
	<script src="../../ui/jquery.ui.position.js"></script>
	<script src="../../ui/jquery.ui.menu.js"></script>
	<script src="../../ui/jquery.ui.autocomplete.js"></script>
	<link rel="stylesheet" href="../demos.css">
	<style>
	.ui-autocomplete {
		max-height: 100px;
		overflow-y: auto;
		/* prevent horizontal scrollbar */
		overflow-x: hidden;
		/* add padding to account for vertical scrollbar */
		padding-right: 20px;
	}
	/* IE 6 doesn't support max-height
	 * we use height instead, but this forces the menu to always be this tall
	 */
	* html .ui-autocomplete {
		height: 100px;
	}
	</style>
	<script>
	$(function() {
		var availableTags = [
			"ActionScript",
			"AppleScript",
			"Asp",
			"BASIC",
			"C",
			"C++",
			"Clojure",
			"COBOL",
			"ColdFusion",
			"Erlang",
			"Fortran",
			"Groovy",
			"Haskell",
			"Java",
			"JavaScript",
			"Lisp",
			"Perl",
			"PHP",
			"Python",
			"Ruby",
			"Scala",
			"Scheme"
		];
		$( "#tags" ).autocomplete({
			source: availableTags
		});
	});
	</script>
</head>
<body>

<div class="demo">

<div class="ui-widget">
	<label for="tags">Tags: </label>
	<input id="tags">
</div>

</div><!-- End demo -->


<div class="demo-description">
<p>When displaying a long list of options, you can simply set the max-height for the autocomplete menu to prevent the menu from growing too large. Try typing "a" or "s" above to get a long list of results that you can scroll through.</p>
</div><!-- End demo-description -->

</body>
</html>