Answers for "react hook state update"

9

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
2

update state in useState hook

// declare state using useState hook.
// someState is set to someInitialState
const [someState, setSomeState] = useState(someInitialState);

// setSomeState updates the current state 
setSomeState(someOtherState);
Posted by: Guest on August-21-2020
-2

react hooks

useEffect(() => {
  document.title = `You clicked ${count} times`;
}, [count]); // Only re-run the effect if count changes
Posted by: Guest on October-17-2020

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