JS代码

<script src="js/jquery.min.js"></script>
<script src="js/TweenMax.min.js"></script>
<script src="js/ScrollToPlugin.min.js"></script>

<script>

/* 选择你喜欢的速度类型，复制下面的某段代码即可。不明处请咨询：qpjk.cc */

$(function() {

// 默认速度
$("#gotop6").click(function() {
TweenMax.to(window, 1, {scrollTo:0});
 });


// 弹跳球式滚动底部 .box2是要滚动地方的id或者锚点
$("#gotop5").click(function() {
TweenMax.to(window, 2, {scrollTo:".box2", ease:Bounce.easeOut});
 });


// 返回顶部，绑定gotop1图标和gotop2文字事件
$("#gotop1,#gotop2").click(function(e) {
   TweenMax.to(window, 1.5, {scrollTo:0, ease: Expo.easeInOut});
   var huojian = new TimelineLite();
	huojian.to("#gotop1", 1, {rotationY:720, scale:0.6, y:"+=40", ease:  Power4.easeOut})
	.to("#gotop1", 1, {y:-1000, opacity:0, ease:  Power4.easeOut}, 0.6)
	.to("#gotop1", 1, {y:0, rotationY:0, opacity:1, scale:1, ease: Expo.easeOut, clearProps: "all"}, "1.4");
 });


// 以1秒慢快慢的速度滚动顶部
$("#gotop3").click(function() {
TweenMax.to(window, 1, {scrollTo:0, ease:Expo.easeInOut});
 });

// 以1.5秒快慢快的速度滚动顶部
$("#gotop4").click(function() {
TweenMax.to(window, 1.5, {scrollTo:0, ease:SlowMo.ease.config(0.7, 0.7, false)});
 });


});

</script>