forked from: Accessing Array elements vs dynamic variables with brackets

/**
 * Copyright 9re ( http://wonderfl.net/user/9re )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/6dJt
 */

// forked from Fumio's Accessing Array elements vs dynamic variables with brackets
package {
    import flash.display.Sprite;
    import flash.utils.getTimer;
    import flash.text.TextField;
    import flash.text.TextFieldAutoSize;
    import flash.text.TextFormat;
    import flashx.textLayout.formats.TextAlign;
    [SWF(width = "240",height = "180")]
    dynamic public class Testing_name_and_Array extends Sprite {;
    // public class Testing_name_and_Array extends Sprite {
        private const AMOUNT:uint = 1000;
        private const COUNT:uint = 1000;
        private var started:uint;
        private var my_txt:TextField = new TextField();
        private var label_txt:TextField = new TextField();
        private var my_fmt:TextFormat = new TextFormat();
        private var test_array:Array = [];
        public function Testing_name_and_Array() {
            // Creating a TextField for display
            createTextField();
            // Starting test
            initialize();
            testing_getElements();
            testing_get_names();
        }
        private function initialize():void {
            for (var i:uint = 0; i < COUNT; i++) {
                var mySprite:Sprite = new Sprite();
                mySprite.name = "instance" + i;
                this[i] = mySprite;
                test_array[i] = mySprite;
            }
        }
        private function testing_getElements():void {
            started = getTimer();
            for (var i:int = 0; i < AMOUNT; i++) {
                getElements();
            }
            xTrace(getTimer() - started);
            // trace(getTimer() - started);
        }
        private function testing_get_names():void {
            started = getTimer();
            for (var i:int = 0; i < AMOUNT; i++) {
                get_names();
            }
            xTrace(getTimer() - started);
            // trace(getTimer() - started);
        }
        private function getElements():void {
            for (var i:uint = 0; i < COUNT; i++) {
                var mySprite:Sprite = test_array[i];
            }
        }
        private function get_names():void {
            for (var i:uint = 0; i < COUNT; i++) {
                var mySprite:Sprite = this[i];
            }
        }
        private function createTextField():void {
            addChild(my_txt);
            addChild(label_txt);
            my_txt.x +=  70;
            my_txt.autoSize = TextFieldAutoSize.RIGHT;
            my_fmt.align = TextAlign.RIGHT;
            my_txt.defaultTextFormat = my_fmt;
            label_txt.autoSize = TextFieldAutoSize.LEFT;
            label_txt.text = "accessing Array elements:\naccessing by name strings:";
        }
        private function xTrace(n:int):void {
            my_txt.appendText(String(n) + "\n");
        }
    }
}