React setState not updating state

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慢半拍i
慢半拍i 2020-11-22 05:41

So I have this:

let total = newDealersDeckTotal.reduce(function(a, b) {
  return a + b;
},
0);

console.log(total, \'t         


        
9条回答
  •  青春惊慌失措
    2020-11-22 06:02

    In case of hooks, you should use useEffect hook.

    const [fruit, setFruit] = useState('');
    
    setFruit('Apple');
    
    useEffect(() => {
      console.log('Fruit', fruit);
    }, [fruit])
    

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