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複製代碼 代碼如下:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>Untitled Page</title>
<script type="text/javascript" src=jquery-1.8.0.js></script>
<script>
$(document).ready(function () {
//當點擊頂部按鈕的時候，執行方法,scrollTop屬性擷取選中標籤距捲軸的距離。
$('#top').click(function () {
$('html').animate(
{ scrollTop: '0px' }, 1000
);
});
//當點擊底部標籤時候，執行方法，其中offset()擷取匹配元素在當前視口的相對位移,返回的是一個對象，有兩個屬性top,left
//animate,的第二個屬性當然我們也可以設定'slow','normal'或'fast'
$('#foot').click(function () {
$('html').animate(
{scrollTop:$('span').offset().top},1000
);
});
});
</script>
</head>
<body>
<br /> <br /> <br /> <br /> <br />
<a href="#" id="foot">底部</a>
<br /> <br /> <br /> <br /> <br />
<br /> <br /> <br /> <br /> <br />
<a href="#" id="top">頂部</a>
<br /> <br /> <br /> <br /> <br />
<span></span>
</body>
</html>
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