Run results for: React useCallback with complex function, setState, hook vs. function vs. external

Run details:

User agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/119.0.0.0 Safari/537.36

Browser: Chrome 119

Operating system: Mac OS X 10.15.7

Device Platform: Desktop

Date tested: 11 months ago

Test name	Executions per second
ComponentWithOuterFunctionUseCallback	395204.8 Ops/sec
ComponentWithUseCallback	407350.7 Ops/sec
ComponentWithInlineFunction	355689.8 Ops/sec
ComponentWithArrowFunction	353560.9 Ops/sec
ComponentWithInlineFunctionOutside	355694.3 Ops/sec
ComponentWithArrowFunctionOutside	360006.7 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:

function ComponentWithOuterFunctionUseCallback() {
  const [state, setState] = React.useState();
  function functionToTest(evt) {
	evt.preventDefault();
    const period = "20231105010814-1";
    const periodRegex = /^\d{14}-\d+$/;
    if (!periodRegex.test(period)) {
        throw new Error("Invalid period format.");
    }
    const [start, end] = period.split("-").map(Number);
    if (isNaN(start) || isNaN(end) || start >= end) {
        throw new Error("Invalid start or end value.");
    }
    const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
    setState(randomNumber);
  }
  const testFunction = React.useCallback(functionToTest, []);
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithUseCallback() {
  const [state, setState] = React.useState();
  const testFunction = React.useCallback(
    evt => {
      evt.preventDefault(); 
      const period = "20231105010814-1";
      const periodRegex = /^\d{14}-\d+$/;
      if (!periodRegex.test(period)) {
          throw new Error("Invalid period format.");
      }
      const [start, end] = period.split("-").map(Number);
      if (isNaN(start) || isNaN(end) || start >= end) {
          throw new Error("Invalid start or end value.");
      }
      const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
      setState(randomNumber);
    }, 
    []
  );
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithInlineFunction() {
  const [state, setState] = React.useState();
  function testFunction(evt) {
    evt.preventDefault();
    const period = "20231105010814-1";
    const periodRegex = /^\d{14}-\d+$/;
    if (!periodRegex.test(period)) {
        throw new Error("Invalid period format.");
    }
    const [start, end] = period.split("-").map(Number);
    if (isNaN(start) || isNaN(end) || start >= end) {
        throw new Error("Invalid start or end value.");
    }
    const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
    setState(randomNumber);
  }
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}

function ComponentWithArrowFunction() {
  const [state, setState] = React.useState();
  const testFunction = (evt) => {
    evt.preventDefault();
    const period = "20231105010814-1";
    const periodRegex = /^\d{14}-\d+$/;
    if (!periodRegex.test(period)) {
        throw new Error("Invalid period format.");
    }
    const [start, end] = period.split("-").map(Number);
    if (isNaN(start) || isNaN(end) || start >= end) {
        throw new Error("Invalid start or end value.");
    }
    const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
    setState(randomNumber);
  }
  return React.createElement('button', {onClick: testFunction}, 'Test click');
}


const testFunctionInlineOutside = function(evt, setState) {
  return evt.preventDefault();
  const period = "20231105010814-1";
  const periodRegex = /^\d{14}-\d+$/;
  if (!periodRegex.test(period)) {
    throw new Error("Invalid period format.");
  }
  const [start, end] = period.split("-").map(Number);
  if (isNaN(start) || isNaN(end) || start >= end) {
    throw new Error("Invalid start or end value.");
  }
  const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
  setState(randomNumber);
}
function ComponentWithInlineFunctionOutside() {
  const [state, setState] = React.useState();
  return React.createElement('button', {onClick: (evt) => testFunctionArrowOutside(evt, setState)}, 'Test click');
}

const testFunctionArrowOutside = (evt, setState) => {
  evt.preventDefault();
  const period = "20231105010814-1";
  const periodRegex = /^\d{14}-\d+$/;
  if (!periodRegex.test(period)) {
    throw new Error("Invalid period format.");
  }
  const [start, end] = period.split("-").map(Number);
  if (isNaN(start) || isNaN(end) || start >= end) {
    throw new Error("Invalid start or end value.");
  }
  const randomNumber = Math.floor(Math.random() * (end - start + 1)) + start;
  setState(randomNumber);
}
function ComponentWithArrowFunctionOutside() {
  const [state, setState] = React.useState();
  return React.createElement('button', {onClick: (evt) => testFunctionArrowOutside(evt, setState)}, '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'))
ComponentWithInlineFunctionOutside
ReactDOM.render(React.createElement(ComponentWithInlineFunctionOutside), document.getElementById('root'))
ComponentWithArrowFunctionOutside
ReactDOM.render(React.createElement(ComponentWithArrowFunctionOutside), document.getElementById('root'))