demos/autocomplete/multiple-remote.html

<!doctype html>
<html lang="en">
<head>
	<meta charset="utf-8">
	<title>jQuery UI Autocomplete - Multiple, remote</title>
	<link rel="stylesheet" href="../../themes/base/jquery.ui.all.css">
	<script src="../../jquery-1.9.1.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-loading {
		background: white url('images/ui-anim_basic_16x16.gif') right center no-repeat;
	}
	</style>
	<script>
	$(function() {
		function split( val ) {
			return val.split( /,\s*/ );
		}
		function extractLast( term ) {
			return split( term ).pop();
		}

		$( "#birds" )
			// don't navigate away from the field on tab when selecting an item
			.bind( "keydown", function( event ) {
				if ( event.keyCode === $.ui.keyCode.TAB &&
						$( this ).data( "ui-autocomplete" ).menu.active ) {
					event.preventDefault();
				}
			})
			.autocomplete({
				source: function( request, response ) {
					$.getJSON( "search.php", {
						term: extractLast( request.term )
					}, response );
				},
				search: function() {
					// custom minLength
					var term = extractLast( this.value );
					if ( term.length < 2 ) {
						return false;
					}
				},
				focus: function() {
					// prevent value inserted on focus
					return false;
				},
				select: function( event, ui ) {
					var terms = split( this.value );
					// remove the current input
					terms.pop();
					// add the selected item
					terms.push( ui.item.value );
					// add placeholder to get the comma-and-space at the end
					terms.push( "" );
					this.value = terms.join( ", " );
					return false;
				}
			});
	});
	</script>
</head>
<body>

<div class="ui-widget">
	<label for="birds">Birds: </label>
	<input id="birds" size="50">
</div>

<div class="demo-description">
<p>Usage: Enter at least two characters to get bird name suggestions. Select a value to continue adding more names.</p>
<p>This is an example showing how to use the source-option along with some events to enable autocompleting multiple values into a single field.</p>
</div>
</body>
</html>