css动画之filter 示例

HTML

CSS

JavaScript

HTML

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8"> 
<title>笔下光年</title>
</head>
<body>

<p>逐步改变图片的背景颜色，从黑到白 (100% 灰阶):<p>

<img src="http://example.itshubao.com/index/images/logo.png" alt="itshubao" >

<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>

</body>
</html>

CSS

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%);
    }
}

JavaScript