ভিইউই createApp

<!DOCTYPE html>
<html>
<body>

<div id="app">
  <h1>{{header}}</h1>
</div>

<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<script>
const {createApp} = Vue;
createApp({
  data() {
    return {
      header: "প্রোগ্রামিং শিখুন"
    };
  }
}).mount("#app");
</script>
</body>
</html>