How to append tag inside div id=demo? I use nodejs.
blog.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="demo"></div>
</body>
</html>
server.js
app.get(":/blog", (req,res) => {
res.sendfile("blog.html");
}