Benchmark: Arrow function vs normal function 2

Tests:

Arrow function
const fn = (a, b) => a + b; fn();
Normal function
function fn(a, b) { return a + b; }; fn();

Rendered benchmark preparation results:

Suite status: <idle, ready to run>

Previous results

Test case name	Result
Arrow function
Normal function

Fastest: N/A

Slowest: N/A

Latest run results:

No previous run results

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Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):

LLMs can make mistakes. Check important info.

Let's dive into the explanation of the provided benchmark.

**Benchmark Overview**

The MeasureThat.net benchmark compares the performance of two JavaScript function styles: arrow functions and regular functions. The benchmark tests how fast each style can execute a simple addition operation on two input numbers.

**Options Compared**

The benchmark compares the following options:

1. **Arrow Functions**: A shorthand syntax for creating functions, introduced in ECMAScript 2015 (ES6). Arrow functions are defined using the `=>` operator and have a shorter syntax compared to regular functions.
2. **Regular Functions**: The traditional way of defining functions in JavaScript, without the arrow function syntax.

**Pros and Cons**

* **Arrow Functions:**
	+ Pros:
		- Shorter syntax, making code more concise
		- Less boilerplate code, which can lead to faster execution
		- Can be useful for creating single-expression functions
	+ Cons:
		- May have issues with closures and binding context
		- Not supported in older JavaScript engines (pre-ES6)
* **Regular Functions:**
	+ Pros:
		- Well-established syntax, making it easier to read and maintain code
		- Supports all ECMAScript features, including older browsers
		- Can be useful for creating complex functions with multiple statements
	+ Cons:
		- Longer syntax, which can make code less concise
		- More boilerplate code, potentially leading to slower execution

**Library and Special JavaScript Features**

There are no libraries or special JavaScript features used in this benchmark.

**Other Considerations**

* The benchmark is running on a desktop machine with Chrome 119 browser, which supports both arrow functions and regular functions.
* The test cases execute the same simple addition operation (`a + b`) on two input numbers, ensuring a fair comparison between the two function styles.

**Alternatives**

If you'd like to create your own JavaScript benchmarking tests, here are some alternatives:

1. **Benchmark.js**: A popular benchmarking library for Node.js and browser environments.
2. **Benchmarks in MeasureThat.net**: The same framework used by MeasureThat.net provides a simple way to create and run benchmarks.
3. **JSPerf**: A benchmarking tool specifically designed for JavaScript, allowing you to compare the performance of different code snippets.

Feel free to ask if you have any further questions or need help with creating your own benchmark!

Related benchmarks:

Arrow function vs normal function 2 (version: 0)

Comparing performance of: Arrow function vs Normal function

Created: 2 years ago by: Guest

Jump to the latest result

Arrow function

Normal function

Suite status: <idle, ready to run>

Fastest: N/A

Slowest: N/A

No previous run results

Autogenerated LLM Summary (model llama3.2:3b, generated one year ago):