for in の挙動テスト

by taiga 06 Aug 2009

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actionscript
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package {
    import flash.display.Sprite;
    import flash.text.TextField;
    import flash.text.TextFormat;

    [SWF (width='450', height='450', backgroundColor='-1')]
    public class FlashTest extends Sprite {
        protected var textfield:TextField;
        protected var o1:Object;
        protected var o2:Object;
        public function FlashTest() {
            super();

            var tf:TextFormat = new TextFormat();
            tf.size = 16;
            tf.font = "_typewriter";

            textfield        = addChildAt( new TextField(), 0 ) as TextField;
            textfield.width  = 450;
            textfield.height = 450;
            textfield.defaultTextFormat = tf;

            o1 = {};
            addItem("A");
            addItem("B");
            addItem("C");
            addItem("D");
            addItem("E");
            addItem("F");

            o2 = {
                A : "A",
                B : "B",
                C : "C",
                D : "D",
                E : "E",
                F : "F"
            };

            result();
        }
        protected function addItem(s:String):void {
            o1[s] = s;
        }
        protected function result():void {
            var prop:String;
            for(prop in o1) {
                textfield.appendText(String( "o1[" + prop + "] : " + o1[prop] + "\n" ));
                o1[prop] = prop;
            }
            textfield.appendText("\n");
            for(prop in o2) {
                textfield.appendText(String( "o2[" + prop + "] : " + o2[prop] + "\n" ));
                o2[prop] = prop;
            }
        }
    }
}