啥也不说了,直接上代码
1 var scrollTop = document.body.scrollTop;
2 document.body.style.marginTop = -scrollTop 'px';
3 document.body.scrollTop = 0;
4 document.body.style.transition = 'all 1s ease-in-out';
5 document.body.style.marginTop = 0;
6 setTimeout(function () { document.body.style.transition = 'none'; }, 1000);
需要的请随意拿走....