<template>
  <h1>숫자를 클릭할때마다 증가</h1>
  <div @click="increase">
    {{count}}
  </div>
</template>

<script>
import { ref } from 'vue'

export default {
  setup(){
    let count = ref(0);
    function increase(){
      count.value += 1
    }

    return{
      count,
      increase
    }
  }
}
</script>