Delete all items (options) from DropDownList using JavaScript and jQuery

Article: Delete / Remove / Clear all items (options) from DropDownList using JavaScript and jQuery

function loadFarmer(call) {
    var selectedFarmer = call.value;
    if(selectedFarmer==''){
        $('.farmer').empty();
        $('#f.id').val(" ").select2(); */
        $('farmer').removeAttr(' ');
        $('.farmer').find('option:not(:first)').remove();
    }

    $.post("dynamicCertification_populateFarmer", {selectedVillage: selectedFarmer}, function (data) {

        insertOptions($('.farmer').attr("id"),$.parseJSON(data));
    });
    $('#farmerId').select2();
}

<div class="filterEle flexi flexi12 farmerClass " style="width:220px;">
    <label for="branchIdParam"><s:property value="%{getLocaleProperty('village')}" /></label>
    <div class="form-element">
        <s:select cssClass="form-control input-sm cond select2" name="village"
            list="villageList" id="v.code" headerKey=""
            headerValue="%{getText('txt.select')}"
            onchange="loadFarmer(this);" />
    </div>
</div>