animation-direction

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animation-direction

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W3C Working Draft

Summary

Defines an animation's direction, including whether an animation runs in reverse in some or all cycles.

Overview table

Initial value	normal
Applies to	all elements
Inherited	No
Media	visual
Computed value	as specified
Animatable	No
CSS Object Model Property

Syntax

• animation-direction: normal
• animation-direction: alternate
• animation-direction: reverse
• animation-direction: alternate-reverse

Values

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.

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.

reverse

The animation plays backward each cycle. Each time the animation cycles, the animation resets to the end state and start over again.

alternate-reverse

The animation plays backward on the first play-through, then forward on the next, then continues to alternate. The count to determine if it is an even or an odd iteration starts at one.

Examples

View live example

CSS

animation-direction: alternate;

Usage

The animation-direction property takes as its value a keyword indicating the direction of a single animation cycle. If multiple keywords are separated by commas, they are applied to each animation in the same order as specified in animation-name. The number of values specified for animation-direction doesn't need to match. If there are more values than for animation-name, the excess values are ignored. If there are fewer, the browser cycles through them again until each animation has been assigned a direction

Syntax

'animation-direction: '[ normal | alternate | reverse | alternate-reverse ] [ , [ normal | alternate | reverse | alternate-reverse ] ] *

Standards information

• CSS Animations W3C Working Draft, Section 3.3
• CSS Animations Module Level 3, Section 3.6

Compatibility

Desktop

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic Support	4.0 -webkit	16.0 5.0 -moz	10.0	12.1 12.0 -o	4.0 -webkit

Mobile

Feature	Android	BlackBerry	Chrome for mobile	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Opera Mini	Safari Mobile
Basic Support	2.1 -webkit	7.0 -webkit	18.0 -webkit	16.0 15.0 -moz	WP 8 (IE 10)	12.1	Unsupported	3.2 -webkit

Compatibility notes

Browser	Version	Note
Firefox	< 15.0	Supports only normal and alternate
Opera	12.0	Supports only normal and alternate
Safari	< 6.0	Supports only normal and alternate
Internet Explorer	10.0	The -ms- prefixed property is deprecated and should not be used.

See also

Related articles

Animation

• JavaScript animation

• cancelAnimationFrame

• requestAnimationFrame

• animationStartTime

• @keyframes

• css/cssom/CSSKeyframeRule

• css/cssom/CSSKeyframeRule/keyText

• css/cssom/CSSKeyframeRule/style

• css/cssom/CSSKeyframesRule

• css/cssom/CSSKeyframesRule/cssRules

• css/cssom/CSSKeyframesRule/deleteRule

• css/cssom/CSSKeyframesRule/findRule

• css/cssom/CSSKeyframesRule/insertRule

• css/cssom/CSSKeyframesRule/name

• cubic-bezier

• steps

• animation

• animation-delay

• animation-direction

• animation-duration

• animation-fill-mode

• animation-iteration-count

• animation-name

• animation-play-state

• animation-timing-function

• Animations

• transition

• transition-timing-function

• SVG animation

• Making things move with CSS3 animations

• Dynamic visual effects with CSS3 transitions

Related pages (MSDN)

• CSSStyleDeclaration
• currentStyle
• style
• a
• abbr
• acronym
• b
• bdo
• big
• br
• cite
• code
• dfn
• em
• i
• img
• input
• kbd
• label
• q
• samp
• select
• small
• span
• strong
• sub
• sup
• textArea
• tt
• var
• address
• blockQuote
• div
• dl
• fieldSet
• form
• noFrames
• noScript
• ol
• p
• pre
• table
• ul
• dd
• dt
• li
• tBody
• td
• tFoot
• th
• tHead
• tr
• button
• del
• ins
• map
• object
• script

This article contains content originally from external sources.

Portions of this content come from the Microsoft Developer Network: [Windows Internet Explorer API reference Article]