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CSS3 Animation

CSS3, we can create animations, which can replace many web page animated images, Flash animations, and JAVAScripts.

1. CSS3 @keyframes rule

@keyframes A CSS style and animation specified in the rule will gradually change from the current style to the new style.

2. CSS3 animation properties

Specifies 3##animation-duration##animation-timing- function "ease"##animation-delay.

#Properties

Description

CSS

@keyframes

Specifies animation.

##animation

Shorthand property for all animation properties except the

animation-play-state property.

##animation-name

@keyframes The name of the animation.

#Specifies the seconds or milliseconds it takes for the animation to complete one cycle. The default is

specifies the speed curve of the animation. The default is

. 3

#Specifies when the animation starts. The default is

##animation-iteration- count

specifies the number of times the animation is played. The default is 1

Infinite：Infinite loop##3

animation-direction

##Specifies whether the animation plays in reverse in the next cycle. The default is "normal".

##animation-play- state

Specifies whether the animation is running or paused. The default is

"running".

3. animation-timing-function attribute

##Default. The animation starts at a slow speed, then speeds up, then slows down before ending. ease-inThe animation starts at a low speed. ease-outThe animation ends at low speed. ##ease-in-out#cubic-bezier(n, cubic-bezier

## Value	Description
##linear	The speed of the animation is the same from beginning to end.
ease


Animation at low speed Beginning and ending.
n ,n,n) its own value in the	function. Possible values are numeric values from 0 to 1 .

#Example: demo01

<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			p {
				width: 100px;
				height: 50px;
				background: red;
				color: white;
				font-weight: bold;
				position: relative;
				animation: mymove 5s;
				-webkit-animation: mymove 5s;
			}
			
			#p1 {animation-timing-function: linear; }
			
			#p2 {animation-timing-function: ease; }
			
			#p3 {animation-timing-function: ease-in; }
			
			#p4 {animation-timing-function: ease-out; }
			
			#p5 {animation-timing-function: ease-in-out; }
			
			#p1 {-webkit-animation-timing-function: linear; }
			
			#p2 {-webkit-animation-timing-function: ease; }
			
			#p3 {-webkit-animation-timing-function: ease-in; }
			
			#p4 {-webkit-animation-timing-function: ease-out; }
			
			#p5 {-webkit-animation-timing-function: ease-in-out; }
			
			@keyframes mymove {
				from {left: 0px; }
				to {left: 300px; }
			}
			
			@-webkit-keyframes mymove{
				from {left: 0px; }
				to {left: 300px; }
			}
		</style>
	</head>

	<body>

		<p id="p1">linear</p>
		<p id="p2">ease</p>
		<p id="p3">ease-in</p>
		<p id="p4">ease-out</p>
		<p id="p5">ease-in-out</p>

	</body>

</html>

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The following effect is the same as the above example

Example: demo02

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8"> 
		<title></title> 
		<style> 
			p
			{
				width:100px;
				height:50px;
				background:red;
				color:white;
				font-weight:bold;
				position:relative;
				animation:mymove 5s infinite;
				-webkit-animation:mymove 5s infinite;
			}
			
			#p1 {animation-timing-function:cubic-bezier(0,0,0.25,1);}
			#p2 {animation-timing-function:cubic-bezier(0.25,0.1,0.25,1);}
			#p3 {animation-timing-function:cubic-bezier(0.42,0,1,1);}
			#p4 {animation-timing-function:cubic-bezier(0,0,0.58,1);}
			#p5 {animation-timing-function:cubic-bezier(0.42,0,0.58,1);}
			
			#p1 {-webkit-animation-timing-function:cubic-bezier(0,0,0.25,1);}
			#p2 {-webkit-animation-timing-function:cubic-bezier(0.25,0.1,0.25,1);}
			#p3 {-webkit-animation-timing-function:cubic-bezier(0.42,0,1,1);}
			#p4 {-webkit-animation-timing-function:cubic-bezier(0,0,0.58,1);}
			#p5 {-webkit-animation-timing-function:cubic-bezier(0.42,0,0.58,1);}
			
			@keyframes mymove
			{
				from {left:0px;}
				to {left:300px;}
			}
			
			@-webkit-keyframes mymove /* Safari and Chrome */
			{
				from {left:0px;}
				to {left:300px;}
			}
		</style>
	</head>
	<body>
	
		<p id="p1">linear</p>
		<p id="p2">ease</p>
		<p id="p3">ease-in</p>
		<p id="p4">ease-out</p>
		<p id="p5">ease-in-out</p>
	
	</body>
</html>

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4. animation-direction attribute

##value

##The animation plays in reverse. ##Animation in odd number of times (1, animation at odd times ( 1,

Description

##normal

default value. The animation plays as normal.

reverse

##alternate

, 3

5...) play forward, even times (2, 4, 6...) Reverse playback. alternate-reverse

, 3

5...) Reverse playback, in Even times (2, 4, 6...) forward Play.

5. animation-play-state 属性

值	描述
paused	指定暂停动画
running	指定正在运行的动画

实例：demo03

<!DOCTYPE html>
<html>

	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			p {
				width: 100px;
				height: 100px;
				background: red;
				position: relative;
				animation-name: myfirst;
				animation-duration: 5s;
				animation-timing-function: linear;
				animation-delay: 2s;
				animation-iteration-count: infinite;
				animation-direction: alternate;
				animation-play-state: running;
				-webkit-animation-name: myfirst;
				-webkit-animation-duration: 5s;
				-webkit-animation-timing-function: linear;
				-webkit-animation-delay: 2s;
				-webkit-animation-iteration-count: infinite;
				-webkit-animation-direction: alternate;
				-webkit-animation-play-state: running;
			}
			
			@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{
				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></p>

	</body>

</html>

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6. 属性简写

与上面的动画相同，但是使用了简写的动画 animation 属性：

实例：demo04

<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8"> 
		<title></title>
		<style> 
			p{
				width:100px;
				height:100px;
				background:red;
				position:relative;
				animation:myfirst 5s linear 2s infinite alternate;
				-moz-animation:myfirst 5s linear 2s infinite alternate;
				-webkit-animation:myfirst 5s linear 2s infinite alternate;
				-o-animation:myfirst 5s linear 2s infinite 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;}
			}
			
			@-moz-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 {
				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;}
			}
			
			@-o-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;}
			}
		</style>
	</head>
	<body>
	
		<p></p>
	
	</body>
</html>

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7. Animate.css插件

Animate.css是某位大牛写好的动画效果集合，需要的时候可以直接下载导入到项目中，在需要的元素上添加相关的类即可使用相对应的动画效果。

Animate.css:源码版下载

Animate.min.css压缩版下载

如：

bounce

Animated：表示使用Animate.css的动画
Infinite：表示动画效果无限循环
Bounce：是动画效果

动画效果有很多，下面的案例就展示了各种动画效果

实例：demo05

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/animate.min.css" />
		<style type="text/css">
			#content{
				padding-top: 20%;
			}
			#test {
				width: 50%;
				line-height: 100px;
				margin: auto;
				background-color: rgba(10, 10, 10, 0.2);
				text-align: center;
			}
			select{
				display: block;
				height: 45px;
				margin: auto;
			}
		</style>
		<script type="text/javascript">
			window.onload = function(){
				document.getElementById(&#39;select&#39;).onchange = function(){
					val = this.options[this.selectedIndex].value;
					document.getElementById(&#39;test&#39;).setAttribute(&#39;class&#39;,&#39;animated infinite &#39;+val);
				}
			}
		</script>
	</head>

	<body>
		<p id="content">
			<p id="test">bounce</p>
		</p>
		<select id="select">
			<optgroup label="Attention Seekers">
				<option value="bounce">bounce</option>
				<option value="flash">flash</option>
				<option value="pulse">pulse</option>
				<option value="rubberBand">rubberBand</option>
				<option value="shake">shake</option>
				<option value="swing">swing</option>
				<option value="tada">tada</option>
				<option value="wobble">wobble</option>
				<option value="jello">jello</option>
			</optgroup>

			<optgroup label="Bouncing Entrances">
				<option value="bounceIn">bounceIn</option>
				<option value="bounceInDown">bounceInDown</option>
				<option value="bounceInLeft">bounceInLeft</option>
				<option value="bounceInRight">bounceInRight</option>
				<option value="bounceInUp">bounceInUp</option>
			</optgroup>

			<optgroup label="Bouncing Exits">
				<option value="bounceOut">bounceOut</option>
				<option value="bounceOutDown">bounceOutDown</option>
				<option value="bounceOutLeft">bounceOutLeft</option>
				<option value="bounceOutRight">bounceOutRight</option>
				<option value="bounceOutUp">bounceOutUp</option>
			</optgroup>

			<optgroup label="Fading Entrances">
				<option value="fadeIn">fadeIn</option>
				<option value="fadeInDown">fadeInDown</option>
				<option value="fadeInDownBig">fadeInDownBig</option>
				<option value="fadeInLeft">fadeInLeft</option>
				<option value="fadeInLeftBig">fadeInLeftBig</option>
				<option value="fadeInRight">fadeInRight</option>
				<option value="fadeInRightBig">fadeInRightBig</option>
				<option value="fadeInUp">fadeInUp</option>
				<option value="fadeInUpBig">fadeInUpBig</option>
			</optgroup>

			<optgroup label="Fading Exits">
				<option value="fadeOut">fadeOut</option>
				<option value="fadeOutDown">fadeOutDown</option>
				<option value="fadeOutDownBig">fadeOutDownBig</option>
				<option value="fadeOutLeft">fadeOutLeft</option>
				<option value="fadeOutLeftBig">fadeOutLeftBig</option>
				<option value="fadeOutRight">fadeOutRight</option>
				<option value="fadeOutRightBig">fadeOutRightBig</option>
				<option value="fadeOutUp">fadeOutUp</option>
				<option value="fadeOutUpBig">fadeOutUpBig</option>
			</optgroup>

			<optgroup label="Flippers">
				<option value="flip">flip</option>
				<option value="flipInX">flipInX</option>
				<option value="flipInY">flipInY</option>
				<option value="flipOutX">flipOutX</option>
				<option value="flipOutY">flipOutY</option>
			</optgroup>

			<optgroup label="Lightspeed">
				<option value="lightSpeedIn">lightSpeedIn</option>
				<option value="lightSpeedOut">lightSpeedOut</option>
			</optgroup>

			<optgroup label="Rotating Entrances">
				<option value="rotateIn">rotateIn</option>
				<option value="rotateInDownLeft">rotateInDownLeft</option>
				<option value="rotateInDownRight">rotateInDownRight</option>
				<option value="rotateInUpLeft">rotateInUpLeft</option>
				<option value="rotateInUpRight">rotateInUpRight</option>
			</optgroup>

			<optgroup label="Rotating Exits">
				<option value="rotateOut">rotateOut</option>
				<option value="rotateOutDownLeft">rotateOutDownLeft</option>
				<option value="rotateOutDownRight">rotateOutDownRight</option>
				<option value="rotateOutUpLeft">rotateOutUpLeft</option>
				<option value="rotateOutUpRight">rotateOutUpRight</option>
			</optgroup>

			<optgroup label="Sliding Entrances">
				<option value="slideInUp">slideInUp</option>
				<option value="slideInDown">slideInDown</option>
				<option value="slideInLeft">slideInLeft</option>
				<option value="slideInRight">slideInRight</option>
			</optgroup>
			
			<optgroup label="Sliding Exits">
				<option value="slideOutUp">slideOutUp</option>
				<option value="slideOutDown">slideOutDown</option>
				<option value="slideOutLeft">slideOutLeft</option>
				<option value="slideOutRight">slideOutRight</option>
			</optgroup>

			<optgroup label="Zoom Entrances">
				<option value="zoomIn">zoomIn</option>
				<option value="zoomInDown">zoomInDown</option>
				<option value="zoomInLeft">zoomInLeft</option>
				<option value="zoomInRight">zoomInRight</option>
				<option value="zoomInUp">zoomInUp</option>
			</optgroup>

			<optgroup label="Zoom Exits">
				<option value="zoomOut">zoomOut</option>
				<option value="zoomOutDown">zoomOutDown</option>
				<option value="zoomOutLeft">zoomOutLeft</option>
				<option value="zoomOutRight">zoomOutRight</option>
				<option value="zoomOutUp">zoomOutUp</option>
			</optgroup>

			<optgroup label="Specials">
				<option value="hinge">hinge</option>
				<option value="jackInTheBox">jackInTheBox</option>
				<option value="rollIn">rollIn</option>
				<option value="rollOut">rollOut</option>
			</optgroup>
		</select>
	</body>

</html>

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8. Wow.js插件

Wow.js是javascript动画插件，经常配合animate.css一起使用。动画效果会在元素第一次出现在页面中时起作用。

wow.js:源码版下载

wow.min.js压缩版下载

Wow.js的使用方法

引入wow.js
在需要使用的元素上添加class=”wow”
使用js初始化

实例：demo06

<!DOCTYPE html>
<html>

	<head>
		<meta charset="UTF-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/animate.min.css" />
		<script src="js/wow.min.js" type="text/javascript" charset="utf-8"></script>
		<style type="text/css">
			#content {
				padding-top: 20%;
			}
			
			#test {
				width: 50%;
				line-height: 100px;
				margin: auto;
				background-color: rgba(10, 10, 10, 0.2);
				text-align: center;
			}
		</style>
		<script type="text/javascript">
			var wow = new WOW({
				boxClass: &#39;wow&#39;, // 动画使用的class
				animateClass: &#39;animated infinite&#39;, // 附加的class
				offset: 0, // 当元素进入页面多少位置的时候开始动画，默认0
				mobile: true, // 是否在移动设备上显示动画效果，默认true
				live: true, // 是否异步加载内容，默认true
				callback: function(box) {},
				scrollContainer: null
			});
			wow.init();
		</script>
	</head>

	<body>
		<p id="content">
			<p id="test" class="wow bounce">bounce</p>
		</p>
	</body>

</html>

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