<a href="javascript:void(0)" style="margin-top:10000px; display:inline-block;">回到頂部</a>
<script type="text/javascript">
$("a").click(function(){
$("body,html").animate({scrollTop:0},300);
})
</script>
這裏寫成$("body,html")是爲了兼容火狐和ie
鼠標經過圓點切換 1 2 3 4 5 <script type="text/javascript">//鼠標經過圓點的滾動: var n=0; function slider(n){ $("ul").