Benchmark: React useCallback hook vs inline function with state react 17

HTML Preparation code:

<script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.js"></script>
<div id="root"></div>

AخA
 
<script src="https://cdnjs.cloudflare.com/ajax/libs/react/17.0.2/umd/react.production.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/react-dom/17.0.2/umd/react-dom.production.min.js"></script>
<div id="root"></div>

Script Preparation code:

function ComponentWithInlineFunction() {
    const [state, setState] = React.useState('test');
    const clickMe = evt => {
        evt.preventDefault();
        console.log(state);
    }
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}

function ComponentWithUseCallback() {
    const [state, setState] = React.useState('test');
    const clickMe = React.useCallback(evt => {
        evt.preventDefault();
        console.log(state);
    }, [state]);
    return React.createElement('button', {
        onClick: clickMe
    }, 'Click me!');
}

​x
 
function ComponentWithInlineFunction() {    const [state, setState] = React.useState('test');    const clickMe = evt => {        evt.preventDefault();        console.log(state);    }    return React.createElement('button', {        onClick: clickMe    }, 'Click me!');}​function ComponentWithUseCallback() {    const [state, setState] = React.useState('test');    const clickMe = React.useCallback(evt => {        evt.preventDefault();        console.log(state);    }, [state]);    return React.createElement('button', {        onClick: clickMe    }, 'Click me!');}

Tests:

Inline
ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))
ReactDOM.render(React.createElement(ComponentWithInlineFunction), document.getElementById('root'))
Hooks
ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))
ReactDOM.render(React.createElement(ComponentWithUseCallback), document.getElementById('root'))

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Experimental features:

Memory measurements supported only in Chrome.
For precise memory measurements Chrome must be launched with --enable-precise-memory-info flag.
More information: Monitoring JavaScript Memory

Test case name	Result
Inline
Hooks

Fastest: N/A

Slowest: N/A

Latest run results:

Run details: (Test run date: one year ago)

User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/114.0.0.0 Safari/537.36

Browser/OS: Chrome 114 on Windows

View result in a separate tab

Test name	Executions per second
Inline	325173.5 Ops/sec
Hooks	414027.2 Ops/sec

Autogenerated LLM Summary (model llama3.2:3b, generated 4 months ago):

Overview

The provided JSON represents a benchmark test case on MeasureThat.net, which compares the performance of two approaches in React: using an inline function with state (ComponentWithInlineFunction) and using the useCallback hook (ComponentWithUseCallback). The test case measures how each approach affects rendering and execution speed.

Benchmarked Options

Two options are compared:

Inline Function: Using a traditional inline function with state to handle events.
- Pros:
  - Easy to understand and implement.
  - No additional dependencies or complexity required.
- Cons:
  - May lead to slower rendering due to the creation of a new scope for each event handler.
useCallback Hook: Using the useCallback hook from React to memoize function definitions.
- Pros:
  - Optimizes rendering by reusing the same function instance across multiple renderings.
  - Reduces the number of DOM mutations during rendering.

Library Used

The React library is used in both test cases. The React.useState hook is used to create a state variable and its corresponding setState function, while the React.useCallback hook is used to memoize the event handler function (clickMe).

Special JS Feature/Syntax

No special JavaScript features or syntax are explicitly mentioned in the provided JSON.

Other Considerations

The test case uses a relatively recent version of React (17.0.2) and assumes that the underlying web browser is Chrome 114.
The test environment is set up with a simple HTML structure consisting of a <div> element (#root) where the component will be rendered.

Alternatives

Other alternatives for optimizing event handling in React might include:

useMemo: Similar to useCallback, but memoizes function bodies instead of entire functions.
**React.PureComponentorReact.Suspense: Using a higher-order component (HOC) like React.PureComponent` can help optimize rendering by reducing unnecessary re-renders.
Optimizing event handling: Techniques like debouncing or throttling events can reduce the number of times an event handler is called, which may also impact performance.

Please note that this is not an exhaustive list, and there might be other alternatives depending on specific use cases and requirements.

LLMs can make mistakes. Check important info.

**Overview**

The provided JSON represents a benchmark test case on MeasureThat.net, which compares the performance of two approaches in React: using an inline function with state (`ComponentWithInlineFunction`) and using the `useCallback` hook (`ComponentWithUseCallback`). The test case measures how each approach affects rendering and execution speed.

**Benchmarked Options**

Two options are compared:

1. **Inline Function**: Using a traditional inline function with state to handle events.
	* Pros:
		+ Easy to understand and implement.
		+ No additional dependencies or complexity required.
	* Cons:
		+ May lead to slower rendering due to the creation of a new scope for each event handler.
2. **useCallback Hook**: Using the `useCallback` hook from React to memoize function definitions.
	* Pros:
		+ Optimizes rendering by reusing the same function instance across multiple renderings.
		+ Reduces the number of DOM mutations during rendering.

**Library Used**

The `React` library is used in both test cases. The `React.useState` hook is used to create a state variable and its corresponding `setState` function, while the `React.useCallback` hook is used to memoize the event handler function (`clickMe`).

**Special JS Feature/Syntax**

No special JavaScript features or syntax are explicitly mentioned in the provided JSON.

**Other Considerations**

* The test case uses a relatively recent version of React (17.0.2) and assumes that the underlying web browser is Chrome 114.
* The test environment is set up with a simple HTML structure consisting of a `<div>` element (`#root`) where the component will be rendered.

**Alternatives**

Other alternatives for optimizing event handling in React might include:

1. **useMemo**: Similar to `useCallback`, but memoizes function bodies instead of entire functions.
2. **React.PureComponent` or `React.Suspense`: Using a higher-order component (HOC) like `React.PureComponent` can help optimize rendering by reducing unnecessary re-renders.
3. **Optimizing event handling**: Techniques like debouncing or throttling events can reduce the number of times an event handler is called, which may also impact performance.

Please note that this is not an exhaustive list, and there might be other alternatives depending on specific use cases and requirements.

Related benchmarks:

React useCallback hook vs inline function with state react 17 (version: 1)

Comparing performance of: Inline vs Hooks

Created: 3 years ago by: Registered User

Jump to the latest result

Inline

Hooks

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A

Autogenerated LLM Summary (model llama3.2:3b, generated 4 months ago):