返回顶部
作者：chrispy
//返回顶部function smoothscroll() {var currentScroll = document.documentElement.scrollTop || document.body.scrollTop;if (currentScroll > 0) {window.requestAnimationFrame(smoothscroll);window.scrollTo(0, currentScroll - (currentScroll / 10));
//返回顶部
function smoothscroll() {
var currentScroll = document.documentElement.scrollTop || document.body.scrollTop;
if (currentScroll > 0) {
window.requestAnimationFrame(smoothscroll);
window.scrollTo(0, currentScroll - (currentScroll / 10));
}
}