css 动画 | 码农工具

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<!DOCTYPE html>
<html>
<head> 
<meta charset="utf-8"> 
<title>菜鸟教程(runcodex.com)</title> 
<style> 
#myDIV{
    width:100px;
    height:100px;
    background:red;
    position:relative;
    animation:mymove 1s infinite;
    -webkit-animation:mymove 1s infinite; /*Safari 和 Chrome*/
}
@keyframes mymove{
    from {left:0px;}
    to {left:200px;}
}
@-webkit-keyframes mymove {  /*Safari 和 Chrome*/
    from {left:0px;}
    to {left:200px;}
}
@keyframes mynewmove{
    from {top:0px;}
    to {top:200px;}
}
@-webkit-keyframes mynewmove{ /*Safari 和 Chrome*/
    from {top:0px;}
    to {top:200px;}
}
</style>
</head>
<body>
​
<p>点击“尝试一下”按钮改变 animation 属性的值。</p>
<button onclick="myFunction()">尝试一下</button>
<script>
function myFunction(){
    document.getElementById("myDIV").style.animation = "mynewmove 4s 2";
    document.getElementById("myDIV").style.WebkitAnimation = "mynewmove 4s 2"; // 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 animation 属性。</p>
<div id="myDIV"></div>
    
</body>
</html>
HTML