Combobox after dynamic loading cant change item

Hello;

i load combobox with a dynamic data in a form. When i want to change combobox item it cant work.

here is example;
https://snippet.dhtmlx.com/4i6ge4pd

could you help me?

thank you

as the load() method is asynchronous please, try to use the promise function of the method to make sure to operate with the data after the it is completely loaded:

Here is the updated exmaple:
https://snippet.dhtmlx.com/ij7k46p8

Thanks for your time Sematic

im still learning and learning has no age