懒加载jquery.lazyload.js

首先引入jquery文件和懒加载文件

<script type="text/javascript" src="http://libs.baidu.com/jquery/1.11.1/jquery.min.js"></script>
<script type="text/javascript" src="http://www.w3cways.com/demo/LazyLoad/js/jquery.lazyload.js"></script>

<div>
懒加载lazyload
<img class="lazy" src="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg" data-original="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg">
<img class="lazy" src="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg" data-original="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg">
<img class="lazy" src="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg" data-original="https://www.juzilicai.com/res/img/v2/intro/novice/vip_top.jpg"&