Run results for: React const vs function 2024 fork

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
ArrowFn	490291.3 Ops/sec
RegularFn	312165.7 Ops/sec

HTML Preparation code:

<script crossorigin src="https://unpkg.com/react@18/umd/react.production.min.js"></script>
<script crossorigin src="https://unpkg.com/react-dom@18/umd/react-dom.production.min.js"></script>
<div id="dest"></div>

Script Preparation code:

var ArrowFn = ({toWhat}) => React.createElement('div', null, `Hello ${toWhat}`);
function RegularFn ({toWhat}) { return React.createElement('div', null, `Hello ${toWhat}`); }

Tests:

ArrowFn
ReactDOM.render( React.createElement(ArrowFn, {toWhat: 'Worldd'}, null), document.getElementById('dest') );
RegularFn
ReactDOM.render( React.createElement(RegularFn, {toWhat: 'Worldd'}, null), document.getElementById('dest') );