if vs. ternary

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

package {
    import flash.text.TextField;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            var tf:TextField = new TextField();
            tf.width = tf.height = 300;
            addChild(tf);
            
            
            var i:uint;
            var count:uint = 1000000000;
            var test:uint = count / 2;
            var num:Number;
            var d0:Date = new Date;
            for(i = 0; i < count; i++)
            {
                if(i > test)
                    num = i;
            }

            var d1:Date = new Date;
            for(i = 0; i < count; i++)
            {
                num = (i > test) ? i : 0;
            }

            var d2:Date = new Date;
            
            
            tf.text = "if: " + (d1.time - d0.time) + " ms\n"
                + "ternary: " + (d2.time - d1.time) + " ms";
        }
    }
}