Answers for "react usestate in component"

9

reactjs useState() hook

import React, { useState } from 'react';

function Example() {
  // Declare a new state variable, which we'll call "count"  
  const [count, setCount] = useState(0);
  return (
    <div>
      <p>You clicked {count} times</p>
      <button onClick={() => setCount(count + 1)}>
        Click me
      </button>
    </div>
  );
}
Posted by: Guest on September-08-2020
3

react useState

//initial state
const [state, setState] = useState(0)
//change state
setState(1)
//change state with prev state value
setState((prevState) => {prevState + 2}) // 3
Posted by: Guest on September-09-2021

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