সম্পাদনা
<!DOCTYPE html> <html> <body> <div id="app"> <p>কাউন্ট: {{count}}</p> <button @click="count++">বৃদ্ধি</button> </div> <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> <script> const {createApp, ref, onBeforeUpdate} = Vue; createApp({ setup() { const count = ref(0); onBeforeUpdate(() => { console.log("DOM is about to update"); }); return {count}; } }).mount("#app"); </script> </body> </html>
পূর্বরূপ