在线运行代码 - 代码学院 www.codexy.cn

<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>代码学院(codexy.cn)</title> 
<style> 
div{
	width:100px;
	height:100px;
	background:red;
	position:relative;
	animation:mymove 2s infinite;
	animation-play-state:paused;
	/*Safari 和 Chrome*/
	-webkit-animation:mymove 2s infinite;
	-webkit-animation-play-state:paused;
}
@keyframes mymove{
	from {left:0px;}
	to {left:200px;}
}
/*Safari 和 Chrome*/
@-webkit-keyframes mymove{
	from {left:0px;}
	to {left:200px;}
}
</style>
</head>
<body>

<p>点击按钮播放/暂停动画：</p>
<button onclick="myPlayFunction()">播放</button>
<button onclick="myPauseFunction()">暂停</button>
<script>
function myPlayFunction(){
	document.getElementById("myDIV").style.animationPlayState = "running";
	document.getElementById("myDIV").style.WebkitAnimationPlayState = "running"; // 针对 Chrome 和 Safari 的代码
}
function myPauseFunction(){
	document.getElementById("myDIV").style.animationPlayState = "paused";
	document.getElementById("myDIV").style.WebkitAnimationPlayState = "paused"; // 针对 Chrome 和 Safari 的代码
}
</script>
<p><strong>注意：</strong>Internet Explorer 9 及其之前的版本不支持 animationPlayState 属性。</p>
<div id="myDIV"></div>

</body>
</html>
源代码

动行结果
