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一個比較特殊的客戶要求，在一個頁面用表格顯示資料，資料量不是很多，不希望使用瀏覽器的捲軸，只能在Div中滾動table中的資料，但是有個特殊的要求，就是必須將捲軸自動滾動到底部。
查詢了一下相關的資料，Div沒有自動滾動的屬性，只能類比滑鼠的滾動來現實想要的效果。
關鍵的部分部分在這裡：div.scrollTop = div.scrollHeight;
下面是具體實現的精簡代碼：
1 <html>
2 <body>
3 <div id="divDetail" style="overFlow-y:scroll; width:250px;height: 200px;">
4 <table style="border:1px solid; ">
5 <tr><td>id</td><td>name</td><td>age</td><td>memo</td></tr>
6 <tr><td>000001</td><td>name1</td><td>24</td><td>memomemomemomemomemo</td></tr>
7 <tr><td>000002</td><td>name2</td><td>23</td><td>memomemomemomemomemo</td></tr>
8 <tr><td>000003</td><td>name3</td><td>23</td><td>memomemomemomemomemo</td></tr>
9 <tr><td>000004</td><td>name4</td><td>23</td><td>memomemomemomemomemo</td></tr>
10 <tr><td>000005</td><td>name5</td><td>23</td><td>memomemomemomemomemo</td></tr>
11 <tr><td>000002</td><td>name2</td><td>23</td><td>memomemomemomemomemo</td></tr>
12 <tr><td>000003</td><td>name3</td><td>23</td><td>memomemomemomemomemo</td></tr>
13 <tr><td>000004</td><td>name4</td><td>23</td><td>memomemomemomemomemo</td></tr>
14 <tr><td>000005</td><td>name5</td><td>23</td><td>memomemomemomemomemo</td></tr>
15 </table>
16 </div>
17 </body>
18 <script type="text/javascript" defer>
19 var div = document.getElementById('divDetail');
20
21 div.scrollTop = div.scrollHeight;
22 //alert(div.scrollTop);
23 </script>
24 </html>
其實，實現是很簡單的但是一般很少有這種需求，期間還是走了一些彎路。
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