
Код:
var txt:TextField = this.createTextField ("txt", 0, 100, 100, 100, 100);
//// добавляемое значение
var dx:Number = 10;
//// время
var time:Number = 100;
txt.text = '0';
setInterval(function (txt:TextField, dx:Number) {
txt.text = String (Number (txt.text) + dx);
}, time, txt, dx);