<script setup lang="ts">
import { ref } from 'vue'
const count = ref(0)
</script>
<template>
<div>
<h1 class="red">Hello world</h1>
<!-- {{ count }} -->
<button style="font-weight: bold">Inc</button>
</div>
</template>
<style>
.red {
color: red;
}
</style>
