You should not set state (or do anything else with side effects) from within the rendering function. When using hooks, you can use useEffect ... ... <看更多>

... <看更多>

Version 16.8.6 Related React useState Hook don't rerender the changes ... I used useState to create a state which is an array of object. ... <看更多>

Version 16.8.6 Related React useState Hook don't rerender the changes ... I used useState to create a state which is an array of object. ... <看更多>

You don't need to include it in array dependencies, no matter what ... In fact, useState is implemented in React code like a useReducer ... ... <看更多>

Mutation You are mutating the existing state when you do let newArr = [...rowDataTracker]; // .. newArr[itemIndex]["payload"][columnId] ... ... <看更多>