animation-delay

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这是一个实验中的功能
此功能某些浏览器尚在开发中，请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订，所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

概述

animation-delay CSS属性定义动画于何时开始，即从动画应用在元素上到动画开始的这段时间的长度。

0s是该属性的默认值，代表动画在应用到元素上后立即开始执行。否则，该属性的值代表动画样式应用到元素上后到开始执行前的时间长度；

定义一个负值会让动画立即开始。但是动画会从它的动画序列中某位置开始。例如，如果设定值为-1s，动画会从它的动画序列的第1秒位置处立即开始。

如果为动画延迟指定了一个负值，但起始值是隐藏的，则从动画应用于元素的那一刻起就获取起始值。

通常用animation简写属性一次性设置动画效果较为方便。

初始值0s
适用元素all elements, ::before and ::after pseudo-elements
是否是继承属性否
适用媒体visual
计算值as specified
Animation typediscrete
正规顺序the unique non-ambiguous order defined by the formal grammar

语法

animation-delay: 3s;
animation-delay: 2s, 4ms;

值

<time>
从动画样式应用到元素上到元素开始执行动画的时间差。该值可用单位为秒(s)和毫秒(ms)。如果未设置单位，定义无效。

正式语法

<time>#

示例

参见CSS animations

规范

规范 状态 备注
CSS Animations
animation-delay		 Working Draft

浏览器兼容性

Update compatibility data on GitHub
DesktopMobile
ChromeEdgeFirefoxInternet ExplorerOperaSafariAndroid webviewChrome for AndroidFirefox for AndroidOpera for AndroidSafari on iOSSamsung Internet
animation-delayChrome Full support 43
Full support 43
Full support 3
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Edge Full support 12Firefox Full support 16
Notes
Full support 16
Notes
Notes Before Firefox 57, Firefox does not repaint elements outside the viewport that are animated into the viewport with a delay. This bug affects only some platforms, such as Windows.
Full support 49
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Full support 44
Prefixed Disabled
Prefixed Implemented with the vendor prefix: -webkit-
Disabled From version 44: this feature is behind the layout.css.prefixes.webkit preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Full support 5
Prefixed
Prefixed Implemented with the vendor prefix: -moz-
IE Full support 10Opera Full support 30
Full support 30
Full support 15
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
No support 12.1 — 15
No support 12 — 15
Prefixed
Prefixed Implemented with the vendor prefix: -o-
Safari Full support 9
Full support 9
Full support 4
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
WebView Android Full support 43
Full support 43
Full support ≤37
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Chrome Android Full support 43
Full support 43
Full support 18
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Firefox Android Full support 16
Full support 16
Full support 49
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Full support 44
Prefixed Disabled
Prefixed Implemented with the vendor prefix: -webkit-
Disabled From version 44: this feature is behind the layout.css.prefixes.webkit preference (needs to be set to true). To change preferences in Firefox, visit about:config.
Full support 5
Prefixed
Prefixed Implemented with the vendor prefix: -moz-
Opera Android Full support 30
Full support 30
Full support 14
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
No support 12.1 — 14
No support 12 — 14
Prefixed
Prefixed Implemented with the vendor prefix: -o-
Safari iOS Full support 9
Full support 9
Full support 3.2
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-
Samsung Internet Android Full support 4.0
Full support 4.0
Full support 1.0
Prefixed
Prefixed Implemented with the vendor prefix: -webkit-

Legend

Full support  
Full support
See implementation notes.
See implementation notes.
User must explicitly enable this feature.
User must explicitly enable this feature.
Requires a vendor prefix or different name for use.
Requires a vendor prefix or different name for use.

参见

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