Tìm footer chèn cuối cùng
HTML:
<style type="text/css">
#MD-StoTop {-moz-border-radius: 5px;-webkit-border-radius: 5px;border-radius: 5px; width:100px;background-color: #EEEEEE;background-color: rgba(238, 238, 238, 0.6);filter: progid:DXImageTransform.Microsoft.gradient(startColorStr='#99EEEEEE',EndColorStr='#99EEEEEE');text-align:center;padding:5px;position:fixed;bottom:10px;right:10px;cursor:pointer;color:#444;text-decoration:none;border:1px solid #C9C9C9;}
</style>
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.5.1/jquery.min.js"></script>
<script type='text/javascript'>
$(function() {
$.fn.scrollToTop = function() {
$(this).hide().removeAttr("href");
if ($(window).scrollTop() != "0") {
$(this).fadeIn("slow")
}
var scrollDiv = $(this);
$(window).scroll(function() {
if ($(window).scrollTop() == "0") {
$(scrollDiv).fadeOut("slow")
} else {
$(scrollDiv).fadeIn("slow")
}
});
$(this).click(function() {
$("html, body").animate({
scrollTop: 0
}, "slow")
})
}
});
$(function() {
$("#MD-StoTop").scrollToTop();
});
</script>
<a href='#' id='MD-StoTop' style='display:none;'>Scroll to Top </a>