【文章推薦】Avoid adding reactive properties to a Vue instance or its root $data at runtime - declare it upfront in the data option.

原文：Avoid adding reactive properties to a Vue instance or its root $data at runtime - declare it upfront in the data option.

https: segmentfault.com q a ...

2020-04-26 20:21 0 2556 推薦指數：

Vue開發警告[Vue warn]: Avoid replacing instance root $data. Use nested data properties instead.

Avoid replacing instance root $data. Use nested data properties instead. 翻譯避免替換實例根$data。請改用嵌套數據屬性錯誤的代碼產生原因最新的Vue已經不允許這樣直接對跟實例$data進行賦值 ...

Vue Property or method "" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data

學習下Vue框架照着教程App.vue加了一個 copyright : {{ corpright }} main.js new Vue({ el: '#app', data:{ corpright:"wf ...

is reactive, either in the data option, or for class

[Vue warn]: Property or method "item" is not defined on the instance but referenced during render. Make sure that this property is reactive, either ...

Property or method "scope" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data

報錯如下屬性或方法“范圍”不是在實例上定義的，而是在呈現期間引用的。通過初始化屬性，確保此屬性是反應性的，無論是在數據選項中，還是對於基於類的組件。原因在template中未添加 ...

Property or method "openPageOffice" is not defined on the instance but referenced during render. Make sure that this property is reactive, either

Property or method "openPageOffice" is not defined on the instance but referenced during render. Make sure that this property is reactive, either ...

[Vue warn]: Property "visible" must be accessed with "$data.visible" because properties starting with "$" or "_" are not proxied in the Vue instance

　　vue + element = vue-element-admin 　　頁面長時間后自動退出頁面，控制台報了一串錯誤。　　　　[Vue warn]: vue.runtime.esm.js:619 [Vue warn]: data functions should return ...

瀏覽器后台報錯，Vue組件的坑：property or method " " is not defined on the instance but referenced during render.Make sure that this property in reactive,either

頁面那個很正常，但是瀏覽器后天一直報錯：property or method "組件名 " is not defined on the instance but referenced during render.Make sure that this property in reactive ...

Vue報錯：3 errors and 0 warnings potentially fixable with the --fix option.

。注釋掉 .eslintrc.js 文件中的 ’@vue/standard’ 關閉VS ...

原文：Avoid adding reactive properties to a Vue instance or its root $data at runtime - declare it upfront in the data option.

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