<script src="https://assets.rudon.cc/mirror/unpkg.com/vue@3.4.23/dist/vue.global.prod.js"></script>
    
    <div id="app">{{ message }}</div>
    
    <script>
      const { createApp, ref } = Vue
    
      createApp({
        setup() {
          const message = ref('Hello vue!')
          return {
            message
          }
        }
      }).mount('#app')
    </script>