vue3组合式API（计数器）

<script setup>
import { ref, onMounted } from 'vue'
import './index.css'

const count = ref(0)

const handleCount = () => {
  count.value++
}

onMounted(() => {
  console.log(1)
})
</script>

<template>
  <div class="m-home-wrap">
    home
    <button @click="handleCount">{{ count }}</button>
    <div class="m-home-demo"></div>
  </div>
</template>

<style></style>

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