Timer间隔时间与其响应函数时间的测试

var t:Timer = new Timer(50,3);
t.addEventListener(TimerEvent.TIMER,onTimerChange);
t.start();

function onTimerChange(e:TimerEvent):void
{
    trace("timer 1 = "+getTimer());
    var n:Number = getTimer();
    //循环1秒
    while((getTimer() - n ) < 1000)
    {};
    trace("timer 2 = "+getTimer());f
}

输出结果

timer 1 = 156
timer 2 = 1156
timer 1 = 1220
timer 2 = 2220
timer 1 = 2277
timer 2 = 3277

结论：

timer的时间间隔是循环体时间（1秒）+timer设定的间隔时间（50毫秒）；