VUE — Composition API

Overview

Learn Composition API in VUE with a clear explanation and a practical example.

What you'll learn

• What Composition API means
• When to use it
• How it works in practice
• A copy‑paste example

Syntax

<template>...</template>

Example

<template>
  <button @click="n++">Count: {{ n }}</button>
</template>

<script setup>
import { ref } from "vue";
const n = ref(0);
</script>

Notes

• Test the example in the Playground.
• Start simple, then expand.

Mistakes

• Mixing up the syntax.
• Not testing the output.