Created
June 16, 2021 11:49
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| const Parent = () => { | |
| const [count, setCount] = useState<number>(0); | |
| const printFunction = useCallback((text: string) => { | |
| console.log(text); | |
| }, []); | |
| // some other functions | |
| return ( | |
| <div > | |
| <div> | |
| <span style={{marginRight: 10}}>{count}</span> | |
| <button onClick={() => setCount((prev: number) => prev + 1)}>add parent count</button> | |
| </div> | |
| /* some jsx element*/ | |
| <Child callback={printFunction} /> | |
| /* some jsx element*/ | |
| </div> | |
| ); | |
| } |
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