Run results for: React useCallback hook vs. custom hook (React 18)

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/133.0.0.0 Safari/537.36

Browser: Chrome 133

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

Test name	Executions per second
ComponentWithOuterFunctionUseCallback	1005868.0 Ops/sec
ComponentWithUseCallback	993201.9 Ops/sec

HTML Preparation code:

<!doctype html>
<html>
  <head>
    <title>This is the title of the webpage!</title>
  </head>
  <body>
  	<script src="https://cdnjs.cloudflare.com/ajax/libs/react/18.2.0/umd/react.production.min.js"></script>
	<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/18.2.0/umd/react-dom.production.min.js"></script>
	<div id="root"></div> 
  </body>
</html>

Script Preparation code:

const useHandler = (handler) => React.useRef(handler).current;

function useHandlerComponent() {
    const testFunction = useHandler(evt => evt.preventDefault(), []);
    return React.createElement('button', {
        onClick: testFunction
    }, 'Test click');
}

function UseCallbackComponent() {
    const testFunction = React.useCallback(evt => evt.preventDefault(), []);
    return React.createElement('button', {
        onClick: testFunction
    }, 'Test click');
}

Tests:

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

Run results for: React useCallback hook vs. custom hook (React 18)

ComponentWithOuterFunctionUseCallback

ComponentWithUseCallback