Get your own Vue server
App.vue
CompOne.vue
main.js
 
<template>
  <h2>Component</h2>
  <p ref="pEl">Strawberries!</p>
</template>
  
<script>
export default {
  beforeUnmount() {
    alert("beforeUnmount: The text inside the p-tag is: " + this.$refs.pEl.innerHTML);
  }
}
</script>                  
http://localhost:5173/