ActionScript 3.0 :: Erase First Line Of Text While Appending Other One At The End?

Jul 9, 2009

I have a dynamic textfiled on stage and I am appending some lines of text each time in a new line with "
", so it like expand downwards.(it just currently serves me as a trace output online so I can check something)

what I would like to do is when that textfield reaches certain height that the first line at the top of the textfield gets deleted as a new one appers on the bottom and so on...

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