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vue報錯 [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

本文轉載自查看原文 2019-08-12 16:07 424 vue

[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 value. Prop being mutated: 'mode'

這個錯誤是我在子組件里操作父組件傳過來的值時報的錯，看了官方文檔說要保證父子組件單向數據流，子組件不允許修改父組件的值，但是數組對象可以

如果要修改可以通過$emit觸發父組件里的方法去修改

如果你只是在子組件里體現，可以用個新的key去接收然后再修改新的key

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猜您在找 報錯：[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 value. Prop bei Vue 報錯[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders 報錯：[Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the paren Avoid mutating a prop directly since the value will be overwritten whenever the parent component re 解決問題：Avoid mutating a prop directly since the value will be overwritten whenever the parent component ... Vue avoid mutating a prop directly since the value will be overwritten vue組件傳值報錯： Instead, use a data or computed property based on the prop's value. Prop being mutated: "item" vue報錯[Vue warn]: The data property "record" is already declared as a prop. Use prop default value instead. Vue 錯誤：Avoid mutating a prop directly vue——子組件報錯：The data property "isHome" is already declared as a prop. Use prop default value instead.

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