<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Back to Top</title>
<meta name="description" content="A simple page showing how to implement a back to top button">
<meta name="author" content="Adi Purdila">
<!-- Stylesheets -->
<link rel="stylesheet" href="styles.css" />
<!--[if lt IE 9]>
<script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script>
<![endif]-->
</head>
<body>
<div class="container">
<hgroup>
<h1>快速回到顶部按钮</h1>
<h3>~</h3>
</hgroup>
<hr />
<section>
<p> 文本占位符，内容
==========邪恶的分隔线==========
</p>
<p>
嘿嘿，你发现了，上面的是占位的，哈哈，
</p>
</section>
<footer>
<hr />
<p>Just some basic footer text.</p>
<a href="#" class="go-top">Go Top</a>
</footer>
</div> <!-- end container -->
<!-- JavaScript -->
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js"></script>
<script>
$(document).ready(function() {
// Show or hide the sticky footer button
$(window).scroll(function() {
if ($(this).scrollTop() > 200) {
$('.go-top').fadeIn(200);
} else {
$('.go-top').fadeOut(200);
}
});
// Animate the scroll to top
$('.go-top').click(function(event) {
event.preventDefault();
$('html, body').animate({scrollTop: 0}, 300);
})
});
</script>
</body>
</html>