​x
 
<html>
<head>
<script type="text/javascript">
function createNewDoc()
  {
  var newDoc=document.open("text/html","replace");
  var txt="<html><body>学习 DOM 非常有趣！</body></html>";
  newDoc.write(txt);
  newDoc.close();
  }
</script>
</head>
​
<body>
<input type="button" value="打开并写入一个新文档" onclick="createNewDoc()">
</body>
​
</html>
​