Живой поиск с jquery и Bootstrap

$(function () { 
    var req=null; 
    $("#artist").keyup(function (event) { 
            var artist = event.target.value; 
            var arrayArtist = []; 
        if(artist.length>=2) { 
            if(req !=null) req.abort(); 
           req= $.ajax({ 
                url: "http://localhost:8080/artistspart/" + artist, 
                type: "GET", 
                async: false, 
                dataType: "json", 
                success: artistSearchPart 
            }); 
        } 
            function artistSearchPart(data) { 
                $.each(data, function (idx, column) { 
                    arrayArtist.push(column.artistName); 
                }); 
 
                $(".awesomplete").typeahead({ 
                    source: arrayArtist 
                }); 
            } 
    }); 
});

<input id="artist" class="awesomplete"  />