scroll2Top是一个简单的可定制的滚动页面的顶部jQuery插件。 使用方法<script src="js/jquery.1.11.0.min.js"></script> <script src="js/jquery.scroll2Top.min.js"></script>CSS#to_the_top { display: none; position: fixed; cursor: pointer; /* modify below css to your needs */ background: url('images/top.png') no-repeat left top; width: 60px; height: 60px; top: 240px; right: 50px; }HTML<div id="to_the_top"></div>调用$("#to_the_top").scroll2Top();