css动画之background-position 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 background-position 属性，从 "top left" 到 "center",然后回到 "top left":<p>
<div id="myDIV"></div>
<p>background-position 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

#myDIV {
    width: 300px;
    height: 200px;
    border: 1px solid black;
    background-image: url('http://example.itshubao.com/index/images/logo.png');
    background-position: top left;
    -webkit-animation: mymove 5s infinite; /* Chrome, Safari, Opera */
    animation: mymove 5s infinite;
}

/* Chrome, Safari, Opera */
@-webkit-keyframes mymove {
    50% {background-position: center;}
}

/* Standard syntax */
@keyframes mymove {
    50% {background-position: center;}
}

JavaScript