Prototype - scrollTo() 方法

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此方法可滚动窗口，以便元素位于视口顶部。

这具有与使用 HTML 锚 相类似的效果（除了浏览器的历史记录未被修改）。

语法

element.scrollTo();

返回值

返回一个 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>

输出

prototype_element_object.htm
打印页面
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