在线运行代码 - 菜鸟教程

<!DOCTYPE html>
<html>

<head>
<meta name="description" content="Free Web tutorials">
<meta name="keywords" content="HTML5,CSS,JavaScript">
<meta name="author" content="Hege Refsnes">
</head>

<body>
<h1>My Website</h1>
<p>Some text...</p>
</body>

</html>

源代码

动行结果