UserAgent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3573.0 Safari/537.36

Steps to reproduce the problem:
1. select any value of a select input
2. 
3. 

What is the expected behavior?
the onchange event should be triggered

What went wrong?
noting happen

Did this work before? Yes 

Does this work in other browsers? Yes

Chrome version: 71.0.3573.0  Channel: dev
OS Version: 10.0
Flash Version: 

the same code work on chrome release and beta
 

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