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本文档使用
php.cn手册 发布
文字
语法：
animation-duration：<time>[,<time>]*
默认值：0s
适用于：所有元素，包含伪对象:after和:before
继承性：无
动画性：否
计算值：指定值
媒体：视觉
取值：
<time>：指定对象动画的持续时间
说明：
检索或设置对象动画的持续时间
如果提供多个属性值，以逗号进行分隔。
对应的脚本特性为animationDuration。
兼容性：
| Values | IE | Firefox | Chrome | Safari | Opera | iOS Safari | Android Browser | Android Chrome |
|---|---|---|---|---|---|---|---|---|
| Basic Support | 6.0-9.0 | 2.0-4.0 | 4.0-42.0-webkit- | 6.0-8.0-webkit- | 15.0-29.0-webkit- | 6.0-8.4-webkit- | 2.1-3.0-webkit- #1 | 18.0-42.0-webkit- |
| 10.0+ | 5.0-15.0-moz- | 43.0+ | 9.0+ | 30.0+ | 9.0+ | 4.0-40.0-webkit- | ||
| 16.0+ |
在一些场景中会有错误行为
部分浏览器不支持伪元素动画，或者支持得不够好，尽可能不要利用伪元素来做动画
示例：
实例
<!DOCTYPE html>
<html lang="zh-cmn-Hans">
<head>
<meta charset="utf-8" />
<title>animation-duration_CSS参考手册_web前端开发参考手册系列</title>
<meta name="author" content="Joy Du(飘零雾雨), dooyoe@gmail.com, www.doyoe.com" />
<style>
html{height:100%;
background:-moz-linear-gradient(top,#fff,#000);
background:-webkit-linear-gradient(top,#fff,#000);
background:linear-gradient(to bottom,#fff,#000);
}
h1{font-size:16px;}
div{position:absolute;top:50%;left:50%;width:500px;height:80px;margin:-40px 0 0 -250px;color:#fff;font:bold 50px/1.5 Georgia,arial,simsun,serif;text-shadow:1px 1px 0 rgba(0,0,0,.8),2px 2px 3px rgba(255,255,255,.3);
-moz-animation:animations 2s ease-in-out forwards;
-webkit-animation:animations 2s ease-in-out forwards;
animation:animations 2s ease-in-out forwards;
}
@-moz-keyframes animations{
0%{-moz-transform:translate(0,-150px);}
30%{-moz-transform:translate(0,-150px);}
40%{-moz-transform:translate(0,0);}
42%{-moz-transform:scale(1.1,.6) skew(5deg,5deg);}
48%{-moz-transform:scale(1) skew(0,0);}
54%{-moz-transform:scale(1.05,.8) skew(4deg,4deg);}
60%{-moz-transform:scale(1) skew(0,0);}
64%{-moz-transform:skew(3deg,3deg);}
68%{-moz-transform:skew(0,0);}
75%{-moz-transform:skew(2deg,2deg);}
83%{-moz-transform:skew(0,0);}
92%{-moz-transform:skew(1deg,1deg);}
100%{-moz-transform:skew(0,0);}
}
@-webkit-keyframes animations{
0%{-webkit-transform:translate(0,-150px);}
30%{-webkit-transform:translate(0,-150px);}
40%{-webkit-transform:translate(0,0);}
42%{-webkit-transform:scale(1.1,.6) skew(5deg,5deg);}
48%{-webkit-transform:scale(1) skew(0,0);}
54%{-webkit-transform:scale(1.05,.8) skew(4deg,4deg);}
60%{-webkit-transform:scale(1) skew(0,0);}
64%{-webkit-transform:skew(3deg,3deg);}
68%{-webkit-transform:skew(0,0);}
75%{-webkit-transform:skew(2deg,2deg);}
83%{-webkit-transform:skew(0,0);}
92%{-webkit-transform:skew(1deg,1deg);}
100%{-webkit-transform:skew(0,0);}
}
@keyframes animations{
0%{transform:translate(0,-150px);}
30%{transform:translate(0,-150px);}
40%{transform:translate(0,0);}
42%{transform:scale(1.1,.6) skew(5deg,5deg);}
48%{transform:scale(1) skew(0,0);}
54%{transform:scale(1.05,.8) skew(4deg,4deg);}
60%{transform:scale(1) skew(0,0);}
64%{transform:skew(3deg,3deg);}
68%{transform:skew(0,0);}
75%{transform:skew(2deg,2deg);}
83%{transform:skew(0,0);}
92%{transform:skew(1deg,1deg);}
100%{transform:skew(0,0);}
}
</style>
</head>
<body>
<h1>文字落下2s内趋于平稳：</h1>
<div>CSS3 Animations</div>
</body>
</html>
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