tryjsref_animationstart 在线代码实例

实例代码( Tip: 登录后体验更佳 )
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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>W3Cschool教程(w3cschool.cn)</title>
<style> 
#myDIV {
    margin: 25px;
    width: 550px;
    height: 100px;
    background: orange;
    position: relative;
    font-size: 20px;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    from {top: 0px;}
    to {top: 200px;}
}
@keyframes mymove {
    from {top: 0px;}
    to {top: 200px;}
}
</style>
</head>
<body>
<p>该实例使用了 addEventListener() 方法为 DIV 元素添加"animationstart", "animationiteration" 和 "animationend" 事件。</p>
<div id="myDIV" onclick="myFunction()">点我开始动画</div>
<script>
var x = document.getElementById("myDIV")
// 使用 JavaScript 开始动画
function myFunction() {
    x.style.WebkitAnimation = "mymove 4s 2"; // Chrome, Safari 和 Opera 代码
    x.style.animation = "mymove 4s 2";
}
//  Chrome, Safari 和 Opera
 
 
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运行结果
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