How to select an option in a jQuery ui selectmenu dynamically?

Question

After changing a menu from a regular select to a jQuery selectmenu, I can no longer select options in it programatically. Is there a way to do this?

The code to select

Answer 1

I have tried the following ways, and it does work in my situation

$('#ListId').find('option[value=""]').attr("selected", true);    

OR

$('#ListId').prop('selectedIndex', 0);