ref,computed 用法

ref,computed  用法

 

<template>       <div>           <h1>{{count}}</h1>           <h1>{{double}}</h1>           <button @click="increase">+1</button>       </div> </template>
<script lang="ts">
import { ref,computed } from 'vue';     export default {   name: 'App',   setup(){
    const count = ref(0)     const double = computed(()=>{       return count.value * 2     })
    const increase = () => {       count.value ++     }     return {       count,       double,       increase     }   }  }; </script>

标签：count,const,computed,double,用法,increase,ref
来源： https://www.cnblogs.com/eric-share/p/15198681.html