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                        /前端开发
                        
                            /JavaScript
                        
                        /JavaScript入门篇

<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>document.write</title>
  <script type="text/javascript">
    var mystr="我是";
    var mychar="JavaScript";
    document.write(mychar+"<br/>");
    document.write(mystr+mychar+"的忠实粉丝！");
  </script>
</head>
<body>
</body>
</html>