Run results for: React const vs function 2024

Run details:

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36

Browser: Chrome 124

Operating system: Windows

Device Platform: Desktop

Date tested: 2 years ago

Const

50K/s

Function

28K/s

View exact numbers

Test name	Executions per second
✓ Const	50,476 Ops/sec
Function	27,627 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>

Tests:

Const
const Hello = ({toWhat}) => React.createElement('div', null, `Hello ${toWhat}`); ReactDOM.render( React.createElement(Hello, {toWhat: 'Worldd'}, null), document.getElementById('dest') );
Function
function Hello({toWhat}){ return React.createElement('div', null, `Hello ${toWhat}`); } ReactDOM.render( React.createElement(Hello, {toWhat: 'Worldd'}, null), document.getElementById('dest') );