WOW.js依赖animate.css, 所以它支持animate.css多达60多种动画效果。
浏览器兼容：IE9以及以前的版本不适用
使用方法：
1、引入文件
<link rel="stylesheet" href="css/animate.min.css" />
<script type="text/javascript" src="js/wow.min.js"></script>
2、HTML
1,Make an element revealable
Add the CSS class .wow to a HTML element: it will be invisible until the user scrolls to reveal it.
(You can change this CSS class in the WOW settings to avoid name conflicts.)
<div class="wow">
Content to Reveal Here
</div>
2,Choose the animation style
Pick an animation style in Animate.css, then add the CSS class to the HTML element
<div class="wow bounceInUp">
Content to Reveal Here
</div>
<div class = "wow slideInLeft"></div>
<div class = "wow slideInRight"></div>
可以加入data-wow-duration(动画持续时间)和 data-wow-delay(动画延迟时间)属性，如：
data-wow-duration: Change the animation duration
data-wow-delay: Delay before the animation starts
data-wow-offset: Distance to start the animation (related to the browser bottom)
data-wow-iteration: Number of times the animation is repeated
<div class="wow slideInLeft" data-wow-duration="2s" data-wow-delay="5s"></div>
<div class="wow slideInRight" data-wow-offset="10" data-wow-iteration="10"></div>
3、JavaScript
new WOW().init();
如果需要自定义配置，可如下使用：
var wow = new WOW({//以下都是默认值
boxClass: ‘wow‘,
animateClass: ‘animated‘,
offset: 0,
mobile: true,
live: true
});
wow.init();
boxClass: Class name that reveals the hidden box when user scrolls.
animateClass: Class name that triggers the CSS animations (’animated’ by default for the animate.css library)
offset: Define the distance between the bottom of browser viewport and the top of hidden box.
When the user scrolls and reach this distance the hidden box is revealed.
mobile: Turn on/off WOW.js on mobile devices.
live: consatantly check for new WOW elements on the page.