Run results for: With or without useMemo2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/121.0.0.0 Safari/537.36

Browser: Chrome 121

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 2 years ago

Test name	Executions per second
Without useMemo	1142800.9 Ops/sec
With useMemo	1038199.1 Ops/sec

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/16.13.1/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/16.13.1/umd/react-dom.production.min.js"></script>
<div id="root"></div>

Script Preparation code:

function ComponentWithoutUseMemo({method}) {
  if (method && method.method_status_id === "voided" ) return React.createElement('div', {}, 'Voided');
  
  return React.createElement('div', {}, 'Not voided');
}

function ComponentWithUseMemo({method}) {
	const voided = React.useMemo(() => {
        if (!method) return false;
        return method.method_status_id === "voided";
    }, [method]);
  
    if (voided) return React.createElement('div', {}, 'Voided');
  
  	return React.createElement('div', {}, 'Not voided');
}

Tests:

Without useMemo
ReactDOM.render(React.createElement(ComponentWithoutUseMemo, { method: { method_status_id: "voided" }}), document.getElementById('root'))
With useMemo
ReactDOM.render(React.createElement(ComponentWithUseMemo, { method: { method_status_id: "voided" }}), document.getElementById('root'))

Run results for: With or without useMemo2

Without useMemo

With useMemo