<html lang="en">
<head>
<meta charset="utf-8">
<title>颜色动画（Color Animation）演示</title>
<link rel="stylesheet" href="https://libs.baidu.com/jqueryui/1.10.4/css/jquery-ui.min.css">
<style>
#elem {
color: #006;
background-color: #aaa;
font-size: 25px;
padding: 1em;
text-align: center;
}
</style>
<script src="https://libs.baidu.com/jquery/1.10.2/jquery.min.js"></script>
<script src="https://libs.baidu.com/jqueryui/1.10.4/jquery-ui.min.js"></script>
</head>
<body>
<div id="elem">颜色动画</div>
<button id="toggle">改变颜色</button>
<script>
$( "#toggle" ).click(function() {
$( "#elem" ).animate({
color: "green",
backgroundColor: "rgb( 20, 20, 20 )"
});
});
</script>
</body>
</html>