jquery set selected for select element

//1
$("#Provider_" + counter + " option[value=" + FormData.ID + "]").attr('selected', 'selected');

//2
        $("#Provider_" + counter  + " option").filter(function () {
            return $(this).val() == FormData.ID;
        }).prop('selected', true);

//3
        $("#Provider_" + counter  + " option").filter(function () {
            return $(this).val() == FormData.ID;
        }).attr('selected', true);