jQuery & jQueryUI Base
HTML
<input type="text" id="auto" />
<div id="results"></div>
JavaScript
var data = ['Java', 'JavaScript', 'C', 'C#', 'C++']
$("#auto").autocomplete({
source: data ,
position: {
offset: '0 -10' // Shift 0px to the left, 0px down.
}
});