Run results for: React useCallback hook vs. function 2

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36

Browser: Chrome 127

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: one year ago

MineComponentWithUseCallback

1.1M/s

ComponentWithOuterFunctionUseCallback

997K/s

MineComponentWithOuterCallback

975K/s

ComponentWithUseCallback

972K/s

ComponentWithArrowFunction

837K/s

ComponentWithInlineFunction

833K/s

View exact numbers

Test name	Executions per second
✓ MineComponentWithUseCallback	1,082,094 Ops/sec
ComponentWithOuterFunctionUseCallback	996,587 Ops/sec
MineComponentWithOuterCallback	974,738 Ops/sec
ComponentWithUseCallback	972,327 Ops/sec
ComponentWithArrowFunction	836,678 Ops/sec
ComponentWithInlineFunction	832,995 Ops/sec

HTML Preparation code:

<!doctype html>
<html>
  <head>
    <title>This is the title of the webpage!</title>
  </head>
  <body>
  	<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> 
  </body>
</html>

Script Preparation code:

const e = (evt) => evt.preventDefault();
function MineComponentWithOuterCallback() {
  const testFunction = React.useCallback(e, []);
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function MineComponentWithUseCallback() {
  const testFunction = e;
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithOuterFunctionUseCallback() {
  function functionToTest(evt) {
	evt.preventDefault();
  }
  const testFunction = React.useCallback(functionToTest, []);
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithUseCallback() {
  const testFunction = React.useCallback(evt => evt.preventDefault(), []);
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithInlineFunction() {
  function testFunction(evt) {
    evt.preventDefault();
  }
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithArrowFunction() {
  const testFunction = (evt) => {
    evt.preventDefault();
  }
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

Tests:

ComponentWithOuterFunctionUseCallback
ReactDOM.render(React.createElement(ComponentWithOuterFunctionUseCallback), document.getElementById('root'))
ComponentWithUseCallback
ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))
ComponentWithInlineFunction
ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))
ComponentWithArrowFunction
ReactDOM.render(React.createElement(ComponentWithArrowFunction), document.getElementById('root'))
MineComponentWithOuterCallback
ReactDOM.render(React.createElement(MineComponentWithOuterCallback), document.getElementById('root'))
MineComponentWithUseCallback
ReactDOM.render(React.createElement(MineComponentWithUseCallback), document.getElementById('root'))