jQuery autocomplete max limit

Response to SO question http://stackoverflow.com/questions/27524051/

HTML

<script src="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.14/jquery-ui.min.js"></script>
<link rel="stylesheet" href="http://ajax.aspnetcdn.com/ajax/jquery.ui/1.8.14/themes/black-tie/jquery-ui.css">
<input type="text" id="AddPosition" />

JavaScript

var allPositions = [
    "ActionScript",
    "AppleScript",
    "Asp",
    "BASIC",
    "C",
    "C++",
    "Clojure",
    "COBOL",
    "ColdFusion",
    "Erlang",
    "Fortran",
    "Groovy",
    "Haskell",
    "Java",
    "JavaScript",
    "Lisp",
    "Perl",
    "PHP",
    "Python",
    "Ruby",
    "Scala",
    "Scheme"];

$("#AddPosition").autocomplete({ 
    source: function(request, response) {
        var results = $.ui.autocomplete.filter(allPositions, request.term);        
        response(results.slice(0, 10));
    }
});