input value selection doesn't work when slider is moved (internet explorer)

[vesko-vujovic]

This is your example...

http://plnkr.co/edit/c4gWaK8z0kyTnaCttAeO?p=preview

If you test this example in IE you will see that after moving slider, you can't select the value in input field.

I tried to focus field then select it, nothing worked.