Use slice( ) instead of concat( ) to create a copy of an array : Splice : Array Flash / Flex / ActionScript examples

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Use slice( ) instead of concat( ) to create a copy of an array


 

package{
  import flash.display.Sprite;
  
  public class Main extends Sprite{
    public function Main(){
        var letters:Array = ["a", "b", "c"];
        
        var newLetters:Array = letters.slice(0);
        
        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