<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Note1</title> <link rel="stylesheet" href="index.css"> <script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script> </head> <body> <div id="app"> <h1>{{ message }}</h1> </div> <script src="index.js"></script> </body> </html>
