Javascript autocomplete in rails forms from database - http://railscasts.com/episodes/102-auto-complete-association-revised?view=asciicast

Javascript autocomplete in rails forms from database

<%= text_field_tag nil, nil, :id => 'destination_name', data: {autocomplete_source: Airport.order(:name).map { |t| { :label => t.name, :value => t.id } } } %>
<%= text_field_tag nil, nil, :id => 'destination_id' %>
    <script>
        $("#destination_name").autocomplete({
            source:$('#destination_name').data('autocomplete-source'),
            select: function(e, ui) {
                e.preventDefault() // <--- Prevent the value from being inserted.
                $(this).val(ui.item.label)
                $('#destination_id').val(ui.item.value)
            }
        });
        //alert("this loaded");
    </script>