jQuery UI案例 - W3xue在线HTML/CSS/JS运行工具

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<!doctype html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <title>颜色动画（Color Animation）演示</title>
  <link rel="stylesheet" href="/css/jqu1.10.4/jquery-ui.min.css">
  <style>
  #elem {
    color: #006;
    background-color: #aaa;
    font-size: 25px;
    padding: 1em;
    text-align: center;
  }
  </style>
  <script src="/js/jqu/jquery.min1.10.2.js"></script>
  <script src="/js/jqu/jquery-ui.min1.10.4.js"></script>
</head>
<body>
 
<div id="elem">颜色动画</div>
<button id="toggle">改变颜色</button>
 
<script>