ie8 + angularjs1.2.9

[strictnerd]

1:The options has 'A', 'B','C'.
2:I search 'A' in input.
3:when i use ie8, not works, search nothing.

when i use ie9, it works,but, when i disabeled not working! option list position to upper

[lordfriend]

I must apologize for unable to recreate a running environment for IE8 with this project. Also I have dropped support for IE8 quite a long time. So the compatibility test may not cover for IE8.
But you can contribute PR or provide a runnable jsfiddle to reproduce the environment for your case.