gamelist can't find data

[zhkuang]

function loadGames() {
    $.getJSON('/gamelist', function(data){
        var html = '';
        var len = data.games.length;
        for (var i = 0; i< len; i++) {
            html += '<option value="' + data.games[i] + '">' + data.games[i].replace(".nes","") + '</option>';
        }
        $('#current-game').append(html);
    });
}

data is null

[olahol]

Do you have any NES roms (*.nes files) in the same directory as the server?