use state to declare variable react setstate code example

Example 1: props and state react

function tick() {
  const element = (
    
      Hello, world!
      It is {new Date().toLocaleTimeString()}.
    
  );
  ReactDOM.render(    element,    document.getElementById('root')  );}

setInterval(tick, 1000);

Example 2: reading state react

function Example(props) {
  // You can use Hooks here!
  return ;
}

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Misc Example

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