ভিইউই onMounted

<!DOCTYPE html>
<html>
<body>

<div id="app">
  <p ref="message">লোডিং</p>
</div>

<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
<script>
const {createApp, ref, onMounted} = Vue;
createApp({
  setup() {
    const message = ref(null);
    onMounted(() => {
      message.value.textContent = "হ্যালো বিশ্ব";
    });
    return {message};
  }
}).mount("#app");
</script>
</body>
</html>