Dropdown List select change?

[taohongyu88]

How to get user change the list event?
When I get script in propertyChange, moveover it ,it also print?

I want to click and select 's event?

[victordcq]

You always need to check which property is changed.
As this triggers on many properties.

if event.propertyName == 'value':

[taohongyu88]

if event.propertyName == 'selectedValue':

This is what I want . Thank you!