$("#cityPicker").append('<option value="' + value
.districts + '">' + value.districts + '</option>');
}
for (const district of value.districts) {
$("#cityPicker").append('<option value="' + district + '">' + district + '</option>');
}
let statePicker = $('#statePicker').val();
let list = $("#cityPicker");
$.each(res.states, function(key, value) {
if (value.state == statePicker) {
$.each(items, function(item) {
list.append(new Option(item, item));
});
}
});