![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
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<html lang="en">
<head>
<title>iframe小后台</title>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<link href="css/style.css" rel="stylesheet" />
<style>
h3 {
color: red;
}
</style>
</head>
<body>
<div class="header"><h3>后台管理</h3></div>
<div class="body">
<div class="aside">
<a href="demo1.html" target="showaread">看demo1</a>
<a href="demo2.html" target="showaread">看demo2</a>
<a href="demo3.html" target="showaread">看demo3</a>
<a href="demo4.html" target="showaread">看demo4</a>
</div>
<div class="main">
<iframe
srcdoc="我是功能展示区"
frameborder="0"
name="showaread"
></iframe>
</div>
</div>
<div class="footer"></div>
</body>
</html>
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