animation-iteration-count
animation-iteration-count规定动画被播放的次数。默认是 1。
语法
animation-iteration-count: infinite; animation-iteration-count: 3; animation-iteration-count: 2.3; animation-iteration-count: 2, 0, infinite;
值
| 值 | 描述 | 
|---|---|
| infinite | 无限循环播放动画 | 
| <number> | 动画播放次数,不可为负数。 | 
例子
HTML
<div class="stage"> <figure class="ball"></figure> </div>
CSS
@keyframes 'slide' {
  from {
      left: 0;
      top: 0;
  }
  50% {
      left: 244px;
      top: 100px;
  }
  to {
      left: 488px;
      top: 0;
  }
}
.stage {
  height: 150px;
  position: relative;
  min-width: 538px;
}
.stage .ball {
  animation-name: slide;
  animation-duration:2s;
  animation-timing-function: ease-in-out;
  animation-delay: 1.5s;
  animation-iteration-count: infinite;//无线循环播放动画。
  animation-direction: alternate;
}
.ball {
  background: red;
  border-radius: 50%;
  height: 50px;
  position: absolute;
  width: 50px;
}
执行结果