Run results for: React const vs function 2024

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.6 Safari/605.1.15

Browser: Safari 16

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 6 months ago

Test name	Executions per second
Const	155080.0 Ops/sec
Function	143353.9 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') );

Run results for: React const vs function 2024

Const

Function