CSS3 animation-direction property, CSS Reference Manual Example Execute the animation once, and then execute the animation in reverse. Retrieve or set whether the object animation moves in reverse direction in the loop
Example
Execute the animation once first, and then execute the animation in reverse:
!DOCTYPE html> <html> <head> <style>
p { width:100px; height:100px; background:red; position:relative; animation:myfirst 5s infinite; animation-direction:alternate;
/* Safari 和 Chrome */ -webkit-animation:myfirst 5s infinite; -webkit-animation-direction:alternate; }
@keyframes myfirst { 0% {background:red; left:0px; top:0px;}
25% {background:yellow; left:200px; top:0px;}
50% {background:blue; left:200px; top:200px;}
75% {background:green; left:0px; top:200px;}
100% {background:red; left:0px; top:0px;} }
@-webkit-keyframes myfirst /* Safari 和 Chrome */ { 0% {background:red; left:0px; top:0px;}
25% {background:yellow; left:200px; top:0px;} 50% {background:blue; left:200px; top:200px;}
75% {background:green; left:0px; top:200px;} 100% {background:red; left:0px; top:0px;} }
</style> </head> <body> <p><strong>注意：</strong>Internet Explorer 9 及其之前的版本不支持 animation-direction 属性。</p> <p></p> </body> </html>Browser support
Internet Explorer 10, Firefox and Opera support the animation-direction attribute.
Safari and Chrome support an alternative property, the -webkit-animation-direction property.
Note: Internet Explorer 9 and earlier versions do not support the animation-direction property.
Definition and Usage
The animation-direction property defines whether to loop and alternately play the animation in reverse.
Note: This property will have no effect if the animation is set to play only once.
CSS syntax
animation-direction: normal|reverse|alternate|alternate-reverse|initial|inhe
[Related recommendations]
1. Share an example of monitoring the css3 animation (animation) end event
2. The 8 properties of CSS3 animation (Animation) that must be mastered
3. Using the animation property to implement delayed execution between loops example tutorial
4. Detailed explanation of the two pause methods (transition, animation) in css3
The above is the detailed content of Detailed introduction to the animation-direction attribute in CSS3. For more information, please follow other related articles on the PHP Chinese website!
css怎么隐藏元素但不占空间Jun 01, 2022 pm 07:15 PM两种方法：1、利用display属性，只需给元素添加“display:none;”样式即可。2、利用position和top属性设置元素绝对定位来隐藏元素，只需给元素添加“position:absolute;top:-9999px;”样式。
原来利用纯CSS也能实现文字轮播与图片轮播！Jun 10, 2022 pm 01:00 PM怎么制作文字轮播与图片轮播？大家第一想到的是不是利用js，其实利用纯CSS也能实现文字轮播与图片轮播，下面来看看实现方法，希望对大家有所帮助！
css3如何实现鼠标点击图片放大Apr 25, 2022 pm 04:52 PM实现方法：1、使用“:active”选择器选中鼠标点击图片的状态；2、使用transform属性和scale()函数实现图片放大效果，语法“img:active {transform: scale(x轴放大倍数,y轴放大倍数);}”。
css3什么是自适应布局Jun 02, 2022 pm 12:05 PM自适应布局又称“响应式布局”，是指可以自动识别屏幕宽度、并做出相应调整的网页布局；这样的网页能够兼容多个不同的终端，而不是为每个终端做一个特定的版本。自适应布局是为解决移动端浏览网页而诞生的，能够为使用不同终端的用户提供很好的用户体验。
css3动画效果有变形吗Apr 28, 2022 pm 02:20 PMcss3中的动画效果有变形；可以利用“animation:动画属性 @keyframes ..{..{transform:变形属性}}”实现变形动画效果，animation属性用于设置动画样式，transform属性用于设置变形样式。
css3怎么设置动画旋转速度Apr 28, 2022 pm 04:32 PM在css3中，可以利用“animation-timing-function”属性设置动画旋转速度，该属性用于指定动画将如何完成一个周期，设置动画的速度曲线，语法为“元素{animation-timing-function:速度属性值;}”。
一文了解CSS3中的新特性 ::target-text 选择器Apr 12, 2022 am 11:24 AM本篇文章带大家一起深入了解一下CSS3中的新特性::target-text 选择器，聊聊该选择器的作用和使用方法，希望对大家有所帮助！
css3线性渐变可以实现三角形吗Apr 25, 2022 pm 02:47 PMcss3线性渐变可以实现三角形；只需创建一个45度的线性渐变，设置渐变色为两种固定颜色，一个是三角形的颜色，另一个为透明色即可，语法“linear-gradient(45deg,颜色值,颜色值 50%,透明色 50%,透明色 100%)”。
Hot AI Tools
Undresser.AI Undress
AI-powered app for creating realistic nude photos
AI Clothes Remover
Online AI tool for removing clothes from photos.
Undress AI Tool
Undress images for free
Clothoff.io
AI clothes remover
AI Hentai Generator
Generate AI Hentai for free.
Hot Article
Hot Tools
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software
Safe Exam Browser
Safe Exam Browser is a secure browser environment for taking online exams securely. This software turns any computer into a secure workstation. It controls access to any utility and prevents students from using unauthorized resources.
SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.
mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
