jquery auto complete - autocompletar campo con jquery

Es así de facil :

<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>jQuery UI Autocomplete - Custom data and display</title>
<link rel="stylesheet" href="//code.jquery.com/ui/1.10.4/themes/smoothness/jquery-ui.css">
<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<script src="//code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<link rel="stylesheet" href="/resources/demos/style.css">
<style>
#project-label {
display: block;
font-weight: bold;
margin-bottom: 1em;
}
#project-icon {
float: left;
height: 32px;
width: 32px;
}
#project-description {
margin: 0;
padding: 0;
}
</style>
<script>
$(function() {
var projects = [
{
value: "jquery",
label: "jQuery",
desc: "the write less, do more, JavaScript library",
icon: "jquery_32x32.png"
},
{
value: "jquery-ui",
label: "jQuery UI",
desc: "the official user interface library for jQuery",
icon: "jqueryui_32x32.png"
},
{
value: "sizzlejs",
label: "Sizzle JS",
desc: "a pure-JavaScript CSS selector engine",
icon: "sizzlejs_32x32.png"
}
];
$( "#project" ).autocomplete({
minLength: 0,
source: projects,
focus: function( event, ui ) {
$( "#project" ).val( ui.item.label );
return false;
},
select: function( event, ui ) {
$( "#project" ).val( ui.item.label );
$( "#project-id" ).val( ui.item.value );
$( "#project-description" ).html( ui.item.desc );
$( "#project-icon" ).attr( "src", "images/" + ui.item.icon );
return false;
}
})
.data( "ui-autocomplete" )._renderItem = function( ul, item ) {
return $( "<li>" )
.append( "<a>" + item.label + "<br>" + item.desc + "</a>" )
.appendTo( ul );
};
});
</script>
</head>
<body>
<div id="project-label">Select a project (type "j" for a start):</div>
<img id="project-icon" src="images/transparent_1x1.png" class="ui-state-default" alt="">
<input id="project">
<input type="hidden" id="project-id">
<p id="project-description"></p>
</body>
</html>

DEMO aqui  http://jsfiddle.net/fenve/hthgk/

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