<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
div
{
width:100px;
height:100px;
background:red;
margin: 10px 0px;
}
.demo1{
transition:width 2s;
transition-timing-function:linear;
/* Firefox 4 */
-moz-transition:width 2s;
-moz-transition-timing-function:linear;
/* Safari and Chrome */
-webkit-transition:width 2s;
-webkit-transition-timing-function:linear;
/* Opera */
-o-transition:width 2s;
-o-transition-timing-function:linear;
}
.demo2{
transition:width 2s;
transition-timing-function:ease;
/* Firefox 4 */
-moz-transition:width 2s;
-moz-transition-timing-function:ease;
/* Safari and Chrome */
-webkit-transition:width 2s;
-webkit-transition-timing-function:ease;
/* Opera */
-o-transition:width 2s;
-o-transition-timing-function:ease;
}
.demo1:hover,.demo2:hover
{
width:300px;
}
</style>
</head>
<body>
<p>请把鼠标指针移动到红色的 div 元素上，查看过渡效果。</p>
<p>匀速过渡</p>
<div class="demo1"></div>
<p>慢速开始，然后变快，然后慢速结束</p>
<div class="demo2"></div>
<p><b>注：</b>本例在 Internet Explorer 中无效。</p>
</body>
</html>
