Create a duplicate copy of an array that is separate from the original using concat( ):

 

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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Create a duplicate copy of an array that is separate from the original using concat( ): : Compare « Array « Flash / Flex / ActionScript

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