<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML...-慕课网

                        课程
                    
                        /前端开发
                        
                            /JavaScript
                        
                        /JavaScript进阶篇

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>变量命名</title>
<script type="text/JavaScript">
var myname="Roc";
document.write(myname);
</script>
</head>
<body>
</body>
</html>