js代码

<script src="js/jquery.anchorScroll.js"></script>
<script type="text/javascript">
	$(document).ready(function() {
	// Anchor Scroll
	$('.anchor-scroll').anchorScroll({
		scrollSpeed: 800 // scroll speed
	 });

	$('.arrow-up').anchorScroll({
		scrollSpeed: 1400, // scroll speed
		onScroll: function () {
		  $(".fill-bg").fadeIn( "slow" );
		  $(".popup").text("Scrolling...");
		},
		scrollEnd: function () {
		  $(".fill-bg").delay(1000).fadeOut( "slow" );
		  $(".popup").text("Done!");
		}
	 });
});


</script>