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/1010000010339421/a-1020000010345759


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猜您在找 Vue开发警告[Vue warn]: Avoid replacing instance root $data. Use nested data properties instead. Vue Property or method "" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based vue.esm.js?efeb:591 [Vue warn]: Property or method "item" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class Property or method "scope" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components Property or method "openPageOffice" is not defined on the instance but referenced during render. Make sure that this property is reactive, either in the data option, or for class-based components, by [Vue warn]: Property "visible" must be accessed with "$data.visible" because properties starting with "$" or "_" are not proxied in the Vue instance to prevent conflicts with Vue internal. 浏览器后台报错,Vue组件的坑:property or method " " is not defined on the instance but referenced during render.Make sure that this property in reactive,either in the data,or for class-based Vue报错:3 errors and 0 warnings potentially fixable with the --fix option. Vue 之 Data vue报错 [Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. Instead, use a data or computed property based on the prop's
 
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