节点2

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Document</title>
    <style>
        .message {
            width: 200px;
            height: 100px;
            background-color: #ccc;
        }
    </style>
</head>
<body>
    <script>
        var element  = document.createElement("div");
        element.className = "message";
        var textNode = document.createTextNode("Hello World");
        element.appendChild(textNode);
        document.body.appendChild(element);
    </script>
</body>
</html>
【推广】 免费学中医，健康全家人
原文地址：https://www.cnblogs.com/wenyang/p/6104682.html