package{ import flash.display.Sprite; public class Main extends Sprite{ public function Main(){ var letters:Array = ["a", "b", "c"]; var newLetters:Array = letters.concat( ); trace(letters); // Displays: "a,b,c" trace(newLetters); // Displays: "a,b,c" letters = ["d", "e", "f"]; trace(letters); // Displays: "d,e,f" trace(newLetters); // Displays: "a,b,c" } } } a,b,c a,b,c d,e,f a,b,c
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