.duration()

.duration( value:Number ) : *
获取或设置动画持续的时间。

var currentDuration = myAnimation.duration(); //gets current duration
myAnimation.duration(2); //sets duration

属性链式写法

myAnimation.duration(2).repeat(3).timeScale(2).play(0.5);

.duration()适用于TweenMaxTweenLite

.duration()的参数

.duration() 示例

  duration: 0 单次动画持续的时间
  totalDuration: 0 全部重复动画加重复间隔的持续时间
  repeat: 0 of  重复次数
  time: 1 时间
  totalTime: 1 总时间
  progress: 1 单次动画进程
  totalProgress: 1 总进程

body {
    background: #f8f8f8;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0 10px;
    padding: 0;
}
.box {
    width:50px;
    height:50px;
    border-radius:6px;
    margin-top:4px;
    display:inline-block
  }
.green{
    background-color:#6fb936;
  }
#stats{
    line-height:2;
margin-top:1em;
}

var myTween=new TweenMax('.box', 3, {
    x: 500,
    repeat: 3,
    repeatDelay:2, 
    onUpdate:updateStats, 
    onRepeat:updateReps, 
});
var duration = document.getElementById("duration"),
    totalDuration = document.getElementById("totalDuration"),
    repeatCount = document.getElementById("repeatCount"),
    totalRepeatCount = document.getElementById("totalRepeatCount"),
    time = document.getElementById("time"),
    totalTime = document.getElementById("totalTime"),
    progress = document.getElementById("progress"),
    totalProgress = document.getElementById("totalProgress"),
    reps = 0;
function updateReps() {
  reps++;
  repeatCount.innerHTML = reps;
}
function updateStats() {
  time.innerHTML = myTween.time().toFixed(2);
  totalTime.innerHTML = myTween.totalTime().toFixed(2);
  progress.innerHTML = myTween.progress().toFixed(2);
  totalProgress.innerHTML = myTween.totalProgress().toFixed(2);
}
function reset() {
  reps = 0;
  duration.innerHTML = myTween.duration().toFixed(2);
  totalDuration.innerHTML = myTween.totalDuration().toFixed(2);
  repeatCount.innerHTML = reps;
  totalRepeatCount.innerHTML = myTween.repeat();
}
reset();

.duration()返回值

.duration()的补充说明