成功后，ajax删除文本字段应为空

Question

这是我的j查询代码，用于删除请求 我想删除文本字段后将为空

 $(document).on('click','.yes_confirm',function() {
                var relf=$(this).attr('data-rel');//alert(relf);
                if(relf != ''){ 
                var $that = $(this);
                event.preventDefault();                
                var cotext_id = $('input[id="cotext_id_'+relf+'"]').val();
                var object_id = $('input[id="object_id_'+relf+'"]').val();
                var object_origen = $('input[id="object_origen_'+relf+'"]').val();

                    jQuery.ajax({
                        type: "POST",
                        url: $.ISA.options.base_url + "contest/admin/delete_note/",
                        dataType: 'json',
                        data: { cotext_id: cotext_id, object_id: object_id, object_origen: object_origen },
                        success: function(data) {
                            $('.popup_main').css('display','none');

                            $(this).closest('.del_edit_opt').find('input[name="name"]').val('');


                        },

                    });
                }
            });

这是我的文字字段    “value =”“＆gt;