Property xxx was accessed during render but is not defined on instance. 和 ResizeObserver loop limit

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关于今天在Vue3中遇到的Property "size" was accessed during render but is not defined on instance. 然后还报错了ResizeObserver loop limit /(ㄒoㄒ)/~~

出现的报错意思是 " 属性'xxx(size)'在渲染期间被访问，但未在实例上定义 "

引入elementui中Vue3template里的相关代码

 解决方案(☆▽☆)

只需要在对应的组件中在实例中定义即可😊

<script>import { ref } from 'vue'export default {    name:'MyProject',    setup(){      const size = ref('')      return {size}    }}</script>

🤩然后就可以得到一个干干净净的没有报错的控制台啦！o(*￣▽￣*)ブ

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