The data property "num" is already declared as a prop. Use prop default value instead.
在寫父組件子組件相互傳遞數據的時候，出現The data property "num" is already declared as a prop. Use prop default value instead. 這裏意思是這個data的屬性num已經在prop聲明瞭，使用prop默認的值替代。因爲num我在父組件已經創建聲明後面又在子組件的data 聲明和初始化，衝突。 所以報這個錯，然後需要把
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相關文章
- 1. The data property 「xxx「 is already declared as a prop. Use prop default value instead.
- 2. Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-
- 3. use a data or computed property based on the prop's value.
- 4. React.PropTypes is deprecated since React 15.5.0, use the npm module prop-types instead react/no-de
- 5. 三、vue報錯use a data or computed property based on the prop's value.
- 6. Type of the default value for 'songs' prop must be a function
- 7. Type of the default value for 'data' prop must be a function的解決方法
- 8. 報錯 [Vue warn]: Avoid mutating a prop directly since the value will be overwritte
- 9. [Vue warn]: Avoid mutating a prop directly since the value will be overwritten
- 10. Vue avoid mutating a prop directly since the value will be overwritten