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animation-direction

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This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

Описание

The animation-direction CSS property indicates whether the animation should play in reverse on alternate cycles.

It is often convenient to use the shorthand property animation to set all animation properties at once.

Начальное значениеnormal
Применяется квсе элементы, ::before и ::after псевдо-элементы
Наследуетсянет
Отображениевизуальный
Обработка значениякак указано
Анимируемостьнет
Канонический порядокуникальный не однозначный порядок, определённый формальной грамматикой

Синтаксис

/* Single animation */
animation-direction: normal;
animation-direction: reverse;
animation-direction: alternate;
animation-direction: alternate-reverse;

/* Multiple animations */
animation-direction: normal, reverse;
animation-direction: alternate, reverse, normal;

/* Global values */
animation-direction: inherit;
animation-direction: initial;
animation-direction: unset;

Значения

normal
The animation should play forward each cycle. In other words, each time the animation cycles, the animation will reset to the beginning state and start over again. This is the default animation direction setting.
reverse
The animation plays backward each cycle. Each time the animation cycles, the animation resets to the end state and start over again.
alternate
The animation should reverse direction each cycle. When playing in reverse, the animation steps are performed backward. In addition, timing functions are also reversed; for example, an ease-in animation is replaced with an ease-out animation when played in reverse. The count to determine if it is an even or an odd iteration starts at one.
alternate-reverse
The animation plays backward on the first play-through, then forward on the next, then continues to alternate. The count to determinate if it is an even or an odd iteration starts at one.

Формальный синтаксис

<single-animation-direction>#

where
<single-animation-direction> = normal | reverse | alternate | alternate-reverse

Примеры

See CSS animations for examples.

Спецификации

Specification Status Comment
CSS Animations
Определение 'animation-direction' в этой спецификации.
Рабочий черновик Initial definition

Совместимость с браузерами

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support (Да)-webkit 5.0 (5.0)-moz
16.0 (16.0)
10 12-o
12.50
4.0-webkit
reverse 19 16.0 (16.0) 10 Нет Нет
alternate-reverse 19 16.0 (16.0) 10 Нет Нет
Unprefixed 43.0 ? ? ? ?
Feature Android Android Webview Firefox Mobile (Gecko) IE Phone Opera Mobile Safari Mobile Chrome for Android
Basic support ? ? 5.0 (5.0)-moz
16.0 (16.0)
? ? ? (Да)-webkit
reverse Нет ? 16.0 (16.0) ? ? Нет (Да)-webkit
alternate-reverse ? ? 16.0 (16.0) ? ? ? (Да)-webkit
Без префиксов Нет Нет ? ? ? ? 43.0

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