返回元素的语言 - 在线编辑器

          <!DOCTYPE html>
<html>
<head>
  <meta charset="utf-8">
  <title>蜜蜂教程(mifengjc.com)</title>
</head>
<body id="myid" lang="en-us">

  <script>
    var x = document.getElementsByTagName('body')[0];
    document.write("Body 语言: " + x.lang);
    document.write("<br>");
    document.write("另一种方式: ");
    document.write(document.getElementById('myid').lang);
  </script>

</body>
</html>
        