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Run results for:
useCallback hook vs inline function in React 18
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Run details:
User agent:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/146.0.0.0 Safari/537.36 Edg/146.0.0.0
Browser:
Chrome 146
Operating system:
Windows
Device Platform:
Desktop
Date tested:
27 days ago
Test name
Executions per second
Inline
34446.1 Ops/sec
Hooks
43187.4 Ops/sec
HTML Preparation code:
<script src="https://unpkg.com/react@18/umd/react.production.min.js"></script> <script src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script> <div id="root"></div>
Script Preparation code:
function ComponentWithInlineFunction() { const clickMe = evt => evt.preventDefault(); return React.createElement('button', {onClick: clickMe}, 'Click me!'); } function ComponentWithUseCallback() { const clickMe = React.useCallback(evt => evt.preventDefault(), []); 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'))