Properti sing dihitung minangka nilai reaktif sing asale saka kahanan reaktif liyane. Iku sacara otomatis ngrukti maneh nalika dependensine owah, lan — sing penting banget — nyimpan cache hasilé supaya bisa nglakoni maneh mung nalika ana sing berubah saka sing gantung padha.
vue
<script setup>
import { ref, computed } from "vue";
const firstName = ref("Ann");
const lastName = ref("Lee");
const fullName = computed(() => `${firstName.value} ${lastName.value}`);
// fullName updates automatically whenever firstName OR lastName changes
</script>
<template>
<p>{{ fullName }}</p> <!-- auto-unwrapped, like a ref -->
</template>