Run details:
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/95.0.4638.54 Safari/537.36
Chrome 95
Mac OS X 10.15.7
Desktop
3 years ago
Test name Executions per second
Inline 175471.5 Ops/sec
Hooks 240220.8 Ops/sec
HTML Preparation code:
AخA
 
1
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
2
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.js"></script>
3
<div id="root"></div>
Script Preparation code:
x
 
function ComponentWithInlineFunction() {
    const [state, setState] = React.useState('test');
    const clickMe = evt => {
        evt.preventDefault();
        console.log(state);
    }
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}
function ComponentWithUseCallback() {
    const [state, setState] = React.useState('test');
    const clickMe = React.useCallback(evt => {
        evt.preventDefault();
        console.log(state);
    }, [state]);
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}
Tests:
  • Inline

     
    ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))
  • Hooks

     
    ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))