Jquery autocomplete - custom html for result listing

Question

I am referring to this plugin: http://jqueryui.com/demos/autocomplete/

So the original structure for the results is

Answer 1

You could try add the attributes with the event "open":

$( ".selector" ).autocomplete({
    open: function(event, ui) {
        var jArrEl = $("a.ui-corner-all");
        jArrEl.addClass("myclass");
        jArrEl.attr("customattribute","something");
    }
});