Example2.html

<html>
<head>
  <meta charset="utf-8">
  <title>示例网页</title>
  <script src="Example2.js"></script>
</head>
<body>
  <div id="languageSwitcher"><a id="buttonZh" href="javascript:;">中</a> | <a id="buttonEn" href="javascript:;">EN</a> | <a id="buttonJp" href="javascript:;">日</a></div>
  <h1 align="center"><span class="keys">这是一行用于演示的文本。</span></h1>
</body>
</html>