trycss_anim_filter 在线代码实例

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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>w3cschool(w3cschool.cn)</title> 
<style> 
img {
    -webkit-animation: mymove 7s infinite; /* Chrome, Safari, Opera */
    animation: mymove 7s infinite;
}
/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    50% {
        -webkit-filter: grayscale(100%); 
        filter: grayscale(100%);
    }
}
/* Standard syntax */
@keyframes mymove {
    50% {
        -webkit-filter: grayscale(100%); 
        filter: grayscale(100%);
    }
}
</style>
</head>
<body>
<p>逐步改变图片的背景颜色，从黑到白 (100% 灰阶):<p>
<img src="//www.w3cschool.cn/attachments/cover/cover_css3.jpeg" alt="Pineapple" width="300" height="300">
<p>filter 属性支持动画效果。</p>
<p><b>注意：</b>Internet Explorer 9 及更早 IE 版本不支持 CSS 动画。</p>
 
 
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运行结果
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