//Flash Player 6（含）以上
//必须为ActionScript 2.0
var rect1 : Rectangle = new Rectangle (this, 10, 10, 200, 200, 0xff0000, 1);
var rect2 : Rectangle = new Rectangle (this, 50, 50, 400, 100, 0xffcc00, 2);
delete rect1;
delete rect2;
//delete Rectangle;