Prototype - scrollTo() 方法

此方法可滾動視窗，以便元素位於視口頂部。

這具有與使用 HTML 錨相類似的效果（除了瀏覽器的歷史記錄未被修改）。

語法

element.scrollTo();

返回值

返回一個 HTML 元素。

示例

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            $('heading').scrollTo();
         }
      </script>
   </head>

   <body">
      <h1 id = "heading">This is the heading.</h1>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      <p id = "test">Click the button see the result.</p>
      
      <input type = "button" value = "Click" onclick = "showResult();"/>
   </body>
</html>

輸出

prototype_element_object.htm

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