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






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

        








Related examples in the same category

1.The splice( ) method can add elements to, or remove elements from, an array.
2.Inserting Elements into an Array: arrayName.splice(startingIndex, numberOfElementsToDelete, element1[,...elementN]);
3.Removing Elements from Within an Array
4.Extracting Subsets of Array Elements
5.splice( ) can both remove elements from and add elements to an array.
6.splice( ) returns a new array containing the deleted elements
7.When you remove elements from an array in a for statement, you need to change the value of the index variable accordingly