當vue頁面非同步載入的數據想在頁面上渲染怎麼辦

<template>
  <div class="test">
  
    <div v-for="(item, index) in arr" :key="index">
      <p>姓名：{{ item.name }}</p>
      <p>年齡：{{ item.age }}</p>
      <p>愛好：{{ item.like }}</p>
    </div>
  </div>
</template>

<script>
export default {
  data() {
    return {
   
      arr: [{ name: "蕾蕾", age: 23 }, { name: "佳佳", age: 20 }]
    };
  },
  created() {
    this.arr.forEach(res => {
      setTimeout(()=>{   //此處模擬非同步調數據
        res.like = "刷抖音";
      })

    });
  }
  }
};
</script>

此時頁面是渲染不出來愛好的數據的，如圖：

 處理方法：數組改變用push

 data() {
    return {
      arr: [{ name: "蕾蕾", age: 23 }, { name: "佳佳", age: 20 }]
    };
  },

 created() {
    this.arr.forEach(res => {

          this.arr=[]
          setTimeout(()=>{
            res.like = "刷抖音";
            this.arr.push(res);
         })

    });
  }