取消确认后，下拉列表选择默认值

Question

example 我的下拉列表加载了这个：     @ Html.EnumDropDownListFor（x =＆gt; x.field，new {@class =“form-control select”，type =“text”，id =“dropdownlist”}）

Javascript:
$("#dropdownlist").on("change",function () {
            var asdf= document.getElementById("#dropdownlist");
            swal({...},function (isConfirm) {
                  if (isConfirm) {
//post url
}
else{
if isconfirm false I want to dropdown list selected default value
how ı can
}

Answer 1

你走了：

    $("#dropdownlist").on("change",function () {
            var asdf= document.getElementById("#dropdownlist");
            swal({...},function (isConfirm) {
                  if (isConfirm) {
    //post url
    }
    else{
        $("#dropdownlist option:first").attr('selected','selected');  //this will do the job for you.
    }